Terraform string with backslash. exe New-Item C:\chris.
Terraform string with backslash Terraform-specific Functions. To pass those two backslashes by a java String to the replaceAll, you also need to escape both backslashes. I've tried Unicode values, double braces, backslashes and other permutations without any success. That drives you to have four backslashes for your expression! The backslash is a regex escape character so \\ will be seen as, match only one \ and not two \\. HashiTalks 2025 Learn about unique use cases, homelab setups, and best practices at scale at our Terraform is using the correct number of backslashes. So JSON. split the long string into multiple clauses with a common separator, Are there line continuation character for string in Terraform. i tried to use trim in terraform but it just erased some backslashes and the value can't be used. result outputs from terraform If you want to make your code more readable, i. Replace(@"\\", @"\"); output >>> C:\Hg\temp\LogFile. 2. print "\\" prints a string with 1 backslash. terraform; terraform-provider-aws; terraform-provider-azure; There's an open issue for multiline strings in Terraform. If your goal is to use the raw value of a root module output value to pass on to some subsequent process then you can use the terraform output command with its -raw option to tell Terraform to output the value literally, rather than How do you check if a terraform string contains another string? For example, I want to treat terraform workspaces with "tmp" in the name specially (e. 0 (alpha You should output the string as json to preserve the escapes. example. 1", "10. Below is a basic Related Functions. How to do this? I tried the replace method: pathString. nested_map string_list = var. Concatenating them won't magically turn them into a single Unicode escape. Maybe is because those words are inside of the final key in the yaml map? Something like this? And you need the backslash to scape the point so you add two backslash to scape the one that will scape the point? – dirname takes a string containing a filesystem path and removes the last portion from it. The output you show is a quoted string, therefore must have the \ character escaped. split('\\'). Did you get any errors or feedback with that version? It’s possible that the provider is also trying to interpolate that string in some way, and the From everything I can see, it looks like escaping with a backslash should work. As the first backslash is the escape character and not used to match. Maybe is because those words are inside of the final key in the yaml map? Something like this? And you need the backslash to scape the point so you add two backslash to scape the one that will scape the point? – Escaping Terraform String Properly. ReadStringIntoBuffer(). Split('\\'); The backslash \ in C# is used as an escape character for special characters like quotes and apostrophes. Improve this answer. amazon-web-services; terraform; aws-ssm; Share. tf: Defines two variables, id and bucket_prefix. how to concatenate a variable and a string in terraform? 3. env_vars | to_entries[] | "\(. workspace}" } Escaping special characters in a string using terraform. When using data "template_file" I have an Apache config which also unfortunately uses the ${} syntax which I don't want Terraform to do substitution. \ is the escape character, so we If you're trying to get the string into a variable, another easy way is something like this: USAGE=$(cat <<-END This is line one. I’m not sure exactly what you are referring to, taking the first example shown, the output is % terraform output username "domain\\\\username" And viewing the raw data you can see a single backsalsh. @ has to be there before the string. tf: variable "test" { type = string default = "j7FUBa&:9" } output. A string surrounded by double quotation marks ("string") is interpreted as a single argument, regardless of white space contained within. Terraform supports both a quoted syntax and a "heredoc" syntax for strings. ; replace replaces a substring of a string with another string, optionally matching using the same regular expression syntax as regex. HashiTalks 2025 Learn about unique use cases, homelab setups, and best practices at scale at our 24-hour virtual Terraform Registry (opens in new tab) Developer; Terraform; Configuration Language; Functions; v1. For a path to a web resource or file located on a UNIX based machine (includes Macs, Linux), use a slash. You can't do string interpolation across multiple lines and I like join() better than doing %s a dozen times with string format. This can be useful if, for example, the string was read from a file that has a newline character at the end. 194\\UNC\\" contains the data \\10. path_pattern and then complaining that there isn't a newline at that point. The stringEscape() function converts a user input into a string literal in script form. Luckily, JSONObject also escapes backslashes, so i must also unscape them. value. In this case it seems that the ordering isn't really important because the goal is just 'Distribution', 'Publish' is an array of strings, whose elements PowerShell concatenates with a space (by default) when converting it to a string, which in this case results in Distribution Publish. I have not figured out how to avoid getting this unwanted extra backslash. In this case your query is correct. workspace}" } I think you are confusing the value of the variable in memory with the syntax Terraform uses to show values in the CLI output. something}, which clashes with the That internal " presents a problem, but the python folks allow raw strings to still escape quotes. – The backslash is escaping the forward slash. Yes, you should. Hi @rnemeth90,. nested_map and var. exe New-Item C:\\chris. But columns have to be chosen exactly (they I have the string: \rnosapmdwq\salesforce\R3Q\OutputFiles\Archive. I am trying to escape/use multiple quotes (") in a string value in a command. So the literal value of that argument as seen by the command interpreter Unless there is a specific reason why you need to control exactly how the data is formatted, I'd recommend to always use jsonencode to generate JSON in Terraform, and not to use string templates. Although Terraform 0. I Had a similar concern when trying to add a json policy to a module. If the path is empty then the result is ". When a string in the database contains a special character like \, you have to type \\ to represent that character, because \ is a special character in SQL syntax. startswith takes two values: a string to check and a prefix string. The replace function searches a given string for another given substring, and replaces all occurrences with a given replacement string. However, I think what you really intended Now I came accross a situation where I am getting a string from a table named 'images' like this: But of course Lua does not like those unescaped backslashes at all. For String Directive The for string directive in Terraform provides a powerful way to iterate over collections (lists, sets, or maps) to generate repeated elements within strings, making your configurations more dirname takes a string containing a filesystem path and removes the last portion from it. I think you are confusing the value of the variable in memory with the syntax Terraform uses to show values in the CLI output. monitoring. The vRA cloud templates use a syntax such as ${input. Hope that helps :) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Join two strings in Terraform. 1 Chomp Function; chomp removes newline characters at the end of a string. The actual value of the string is literally this: "10. The following string starts with one backslash, the first one you see in the literal is an escape character starting an escape sequence. The reason this is not working in your case is that \x in your assignment a = "1\2\3\4" is interpreted as an octal number. Note that this is an unofficial community. By contrast, @"\u" and "0000" are two different strings, with a total of six characters. sh <<EOF export AWS_DEFAULT_REGION=${region} echo "Generating password" export PGPASSWORD="$(aws rds generate-db-auth-token --hostname ${rds_host} --port 5432 - Get substring from a list of strings in terraform. I think what you're seeing there is a result of the shell's own handling of quotes, since you are passing quoted strings through the shell to echo. Hot Network Questions UK citizen living in France, which documents to go to Poland? Terraform's parser is rejecting what you wrote here because you used the = symbol in the middle of an expression. Escaped backslash returns both backslashes. com (or any other json linter/parser, such as Terraform) will fail for the first one, but pass for the second - since \ is an escape character in JSON, and so needs to be encoded appropriately (with two backslashes in this instance), which is why the second example works. 4 on linux_386 Use-cases I need to interpolate a string with escaped characters, to get it inside a heredoc block as literal characters. The terraform must also be enclosed in double-quotes, so I've tried escaping with a backslash. rexi88. xchiltonx xchiltonx. toString escapes it as follows: "2013\ /5\ /15" I understand that this the escaped slashes in the serialized string before sending it to the server. If you'd like to verify it, you could try with v0. But really, use prepared statements, it's way easier. Terraform's replace function does not work entirely as advertised. In the meantime, could you use the script option rather than inline? – The backslash character is the escape character in Terraform, much like in C-like languages. It looks like you used slashes / instead of backslashes \ to escape the special characters in your quoted string template, and so Terraform’s parser thinks you intended the string to end at the first non-escaped quote mark. In order to create aws_glue_catalog_table for vpc flow logs I’m using regex saved in heredoc format and referencing it as input. The problem is that you have cut off the outer "{ }" when you pasted this into the forum message, which show that If you read the following section on heredoc strings you'll see that one benefit they have is that they aren't delimited by quotes and so the contents are not interpreted for backslash escape sequences, and so you can write quotes and other special characters literally:. 11 does have a jsonencode function, its is a much more simplistic implementation that will not produce a correct result for this I need to use the replace function to replace dots in a domain name with two backslashes. value | tojson)"' If any of the values are non-strings, add a tostring to the filter. Likewise The total number of strings I have to replace is fewer than 10. 3. xml I need to replace the backward slashes to forward slashes of the entire string. Follow The split function produces a list by dividing a given string at all occurrences of a given separator. But when knitr encounters the % it believes the string to be a comment, I am using this in knitr as \textit{\Sexpr{try}} – Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The root problem here is that data. The Terraform docs for the replace function state that you need to wrap your search string in forward slashes for it to search for a regular expression and this is also seen in the code. Can you guys help me out?. The problem is that you have cut off the outer "{ }" when you pasted this into the forum message, which show that you’re actually dealing with a JSON string, that is itself embedded within a valid Terraform string literal: "{\"var1\":\"\\\\path\\\\to\\\\whatever\"}" When Terraform outputs values to the screen, it normally In Terraform's template language, the sequence $${is the escape sequence for literal ${, and so unfortunately in your example Terraform will understand $${var. 0. allowing rds instances to be deleted without a snapshot), so something like this: locals { is_tmp = "${"tmp" in terraform. It is therefore unable to take into account filesystem features such as symlinks. Share. When I run ‘terraform plan’ I see this In other words one long string with ‘\n’ in place of linefeed / newline. HashiTalks 2025 Learn about unique use cases, homelab setups, and best practices at scale at our The reason is explained in the part of that section which I highlighted in bold: String quotes can be escaped with a backslash, but the backslash remains in the string; for example, r"\"" is a valid string literal consisting of two characters: a backslash and a double quote; r"\" is not a valid string literal (even a raw string cannot end in an odd number of backslashes). Your full_path_convert_backslash example is replacing the single forward slash with a single backslash. Neilski. NET's URI uses forward slashes is because it's formatting for use in a webbrowser. This is line two. Improve this question. Both of these syntaxes support template sequences for interpolating values and manipulating text. An example describing my situation is below: The command I'm using: sed -f replace. txt < a. 0. NET parses and interprets this escaping at a very low level, namely JsonTextReader. output "mytest" { value = var. g. txt > b. "`r" creates control character CR ( 0xD ), which, when printing to the console , resets the cursor position to the first column and prints the Introduced in Terraform 1. We use GitHub issues for Another way to end a string with a backslash is to end the string with a backslash followed by a space, and then call the . regex parameter. std::string s = "01234\6"; //\6 is treated differently already, as unicode character \6, not as backslash + 6 Unless what you mean is you want to have a text with backslash (say, from I/O). Just like we could use backslash \ in Python for long string? I have tried use heredoc, but it does not work when running the query. You need to double-escape it for regex: string. 194\UNC\. The string 2. JSON. For instance, if you want to use a literal $ {, simply write it as $$ {. Terraform uses ${} and %{} as special sequences for Interpolation and Directives respectively. I want to transform this list into a new list that contains a regex for each entry , e. By putting @ in front of the string, you tell the compiler that you won't use a backslash as the escape character but plain Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company To fix, either double your backslashes (not sure if you intended a newline; if so, double double the backslash before the n): data = "\\info\\more info\\nName" or, if you want all the backslashes to be literal backslashes (the \n shouldn't be a newline), then you can use a raw string by prefixing with r: data = r"\info\more info\nName" (Two pairs of backslashes become two literal backslashes, which will be interpreted by the regex engine as an escaped backslash; hence 1 literal backslash) Or @"^[a-zA-Z0-9_]+\\[a-zA-Z0-9_]+$" (No backslash substitution performed, so the regex engine directly interprets the escaped backslash) The String#replaceAll() interprets the argument as a regular expression. string_list } Inside your module, you can access the values using var. NET web service. regexall searches for potentially multiple matches of a given pattern in a string. I am now trying to include this plugin which expects to find its own variables in the config file. For example: module "example" { source = ". It’s one of the fundamental data types used to define configuration values. Hi @HugoSecteur4!. The command expects the Join two strings in Terraform. When plan is printed, every I realize this question was asked 3 years ago, but I was looking to see if there was an alternative to doing the string replace and came across it. So when you are trying to wrap the backslash with apostrophes, the backslash together with the final apostrophe is being interpreted as an escaped apostrophe. 1. vars. Examples Minimal example to reproduce the error: variable "slash" { default = "\\\\" } output " You're confusing what's IN the database with how you represent that data in SQL statements. replace(/^"|"$/g, ""). 1 terraform inline function errors with Invalid Character. x Compatibility Promises; If substring is wrapped in forward slashes, it is treated as a regular expression, The trimspace function removes space characters from the start and end of a given string. I'm getting a unrecognized escape sequence when I try to send this to a . ids is a set value, rather than a list value, and so its elements are not in a particular order and therefore cannot be accessed by numeric index into a list. ADMIN MOD Terraform escaping quotes not working? Got an issue where I echo a string into a file but the quotes are not coming through Current Terraform Version Terraform v1. x (latest) Terraform; v1. Heredocs support two special escape sequences that do not use backslashes: Literal ${, Terraform inherits the C-like convention of using a backslash as an escape character inside quoted string templates, and so if you want your final string (the result after The output you show is correct, a quoted string is displayed and the backslash must be correctly escaped. Quoted strings and heredoc strings are used to escape special characters like $ { and % { in Terraform HCL. Finally, the second part replaced such a string with a backslash character: \\\\ (four because this), and the first group: $1. By taking a string and outputting it raw, you're getting exactly what that string was, a literal backslash followed by an n. If you use backslashes instead then I expect it will work. You must escape "\" when in quotes because it is a special character. Follow answered Jul 4, 2012 at 15:20. A backslash is also the escape character within a quoted string, so it itself must be escaped. If you're trying to convert a Unicode code point into a single-character string, do this: I want to use an array to be used as a secret in the vault, but the required value is not as expected it carries the backslash \ character after being output in terraform. Note: this is a live post, I will update this post with more interesting examples over time. route_name} as literally ${var. I tried escaping the $ with a backslash but Terraform is still trying The reason is explained in the part of that section which I highlighted in bold: String quotes can be escaped with a backslash, but the backslash remains in the string; for example, r"\"" is a valid string literal consisting of two characters: a backslash and a double quote; r"\" is not a valid string literal (even a raw string cannot end in an odd number of backslashes). 12 and I did as follow. END ) If you indent your string with tabs (i. 0-beta1, though please don't use that pre-release against production infrastructure. Strings in Terraform are typically used for As explained in the comment, you cannot prevent that a double quote (") is being escaped because that character is reserved (defined in specs). Outputs: mytest = j7FUBa&:9 If you want an actual backslash in the string or regex, you have to write two: \\. The first replace will handle quotes and backslashes. In other words, this seems to be producing the result you're looking for You need to declare your variable as string, I am using terraform 0. In this story, we will look for examples to work with string variables in Terraform. Perhaps the confusion is that you are looking at a quoted string, and not the raw value itself. The reason . key): \(. The full_path_backslash_broken is invalid because the backslash is escaping the double quote, so the string is not closed. If your goal is to use the raw value of a root module output value to pass on to some subsequent process then you can use the terraform output command with its -raw option to tell Terraform to output the value literally, rather than A second option is to write an expression to tell Terraform a way to convert your list value into a string value in a suitable format. with "" as an escape character for "(" But I don't want to hard code the prefix like that. I tried escaping the $ with a backslash but Terraform is still trying I have a pretty simple user data script: #!/bin/bash # Create script that will be executed as cron cat > generate_rds_password. command = <<-EOT aws cognito-idp list-user-pool-clients --user-pool-id These backslashes are just part of showing the string value on-screen in an unambiguous way. Here's how I fixed it:. 11. Get item contains substring Terraform. To write a single \ in a string, you write it as "\\". replace(/\\/g, "/") But it doesn't seem to do the trick. main. Following is the command I need your help with:- customize{ windows_options{ run_once_command_list = ["C: \\Windows I did try using backslash followed by quotes ( \" ), but it does not seem to work for When using data "template_file" I have an Apache config which also unfortunately uses the ${} syntax which I don't want Terraform to do substitution. So the literal value of that argument as seen by the command interpreter The replace function searches a given string for another given substring, and replaces all occurrences with a given replacement string. In that case, you should put \\ to make your compiler understand that you mean it as real backslash not a unicode character: If you just want to truncate the prefix to remove the /32 or any other arbitrary prefix such as /16 then you can use the cidrhost function instead and just specify the host number as 0 to get at the network address: $ terraform console > cidrhost("192. Hot Network Questions UK citizen living in France, which documents to go to Poland? Note that the expression must contain double-quotes. com. However I couldn't seem to get that to work at all (even trying Terraform’s cross-platform nature necessitates a flexible approach to handling these characters. Thanks String literals are the most complex kind of literal expression in Terraform, and also the most commonly used. If you prefix the Learn how to escape literal characters in Terraform. Since this bug is so old it's unlikely that you're hitting the same bug even if the symptoms seem similar. From their docs: Even in a raw literal, quotes can be escaped with a backslash, but the backslash remains in the result; for example, r"\"" is a valid string literal consisting of two characters: a backslash and a double quote; r"\" is not a valid string literal (even a raw string I want to trim the first part of the string after the 3rd "-" For example. The value you are showing contains exactly the string you want, in other words the quoted string "\\\\10. What actually happens when you try it - assume it's some sort of parser error? If so, I wonder if this is a regression in terraform and should be logged as a new bug. But what if you need these patterns to be interpreted literally? This can You can remove at least one layer of tricky escaping here by using Terraform's jsonencode function to produce the JSON, instead of trying to construct JSON via string Terraform is using the correct number of backslashes. Remove Extra back slash "\" from string file path in c#. replace(/[\\"]/g, "\\$&") + '"' to unquote and requote. Instead, the backslash character is interpreted literally. Any of Terraform's functions that produce a single string as a result is a candidate here. Both of these syntaxes support template sequences for I would guess that the version using "powershell. How can I split out an 'any' variable in terraform? Hot Network Questions Prices across regions with different tax Making a polygon using equilateral triangles and squares. Consider this example: resource "null_resource" "foo" { triggers = { thing In the former case, the triple backslash and the double quotes following them are interpreted as a single backslash followed by a double quotes. stringify("\\/") sees a backslash being escaped, and then a forward slash next to that, so it returns "\/". NOTES: @ziggythehamster pointed out via Terraform's Gitter chat that there's still some quirkiness with backslash escapes in HIL. listofallowedlocations)} } } PARAMETERS Hi @HugoSecteur4!. State. If you still want to see a double quote here-after, then it's something difficult to achieve. Meaning there is an unwanted EXTRA backslash preceding the ‘\n’. regexall can also be used to test whether a particular string matches a given pattern, by testing whether the length of the The backslash 'escapes' the character following it. The output you have here looks correct, since the a character is part of the work admin and should not be an escape character. repository_name policy = var. I am trying to do this with regex(), but I am not sure if Terraform supports full regex. This will allow Terraform to be responsible for handling the JSON escaping for you, which should cause the resulting string to contain the extra backslash necessary to escape \A in JSON, but in your case it's extra Hi @moontune,. txt Any character other than backslash or newline can be used instead of a slash to delimit the RE and the replacement. The same thing is possible without regex, what you tried (see this for output): I want the string to be displayed as it is, my output pdf that I am generating should have the string "0% success" printed the way it is. I've used this approach for multiline strings so that I can put each array element on its own line for readability (and a good diff in git). See the following example: Notice that Terraform is printing the result out using the same syntax as if you'd written the string literal in your configuration, and so this is a string literal representation of the string contoso\azadmin that's reflecting the same escaping you'd need to write this down in the Terraform language. tf. \" is a " within the string, a double The trimspace function removes space characters from the start and end of a given string. Kendrick Ledet The basic problem is that, in a JSON string literal, the escaped solidus "\/" means exactly the same as the unescaped solidus "/", and Json. , '\t'), the indentation will be stripped out. test } Now you could see the result using terraform apply: Apply complete! Resources: 0 added, 0 changed, 0 destroyed. Escaped backslash should only return a single backslash. Thanks. HashiConf 2024 Now streaming live from Boston! Attend for free. This function searches a given string for another string and replaces it with a third string. route_name}, and not as a string interpolation at all. Upgrading to Terraform v1. – Jonathon Reinhart. 0, there are now startswith and endswith functions. Wrap your text in double quotes ( ” ) and use backslashes ( \ ) to create escape sequences. 0 > cidrhost("1. When Terraform shows you a string value in the UI it uses the same quoting and escaping syntax you’d write in your configuration, because otherwise the result would be Wrap your text in double quotes ( ” ) and use backslashes ( \ ) to create escape sequences. Backslashes are used for escaping, so to display a backslash in a string literal you need to escape the backslash with another backslash. answered Feb 3, 2015 at 23:35. I am thinking of a solution to grab that string and manipulate it for further processing. Sounds simple, right? Well, it is not. Can Terraform concatenate variables fed from a for_each loop with a string. secret iplist from vault ui. This is accepted and pushed successfully to aws, but the resulting pattern contains the backslashes: In other non-JSON situations, when the result is a simple list of strings, the join function can be useful to just concatenate all of the strings together with a fixed delimiter. Follow edited Mar 18, 2024 at 13:50. Follow answered Aug 28, 2022 at 7:16 I need to use the replace function to replace dots in a domain name with two backslashes. 0/16", 0) 192. The simplest method to remove new line characters from a string in Terraform is using the replace function. The actual string only contains a single backslash. HashiTalks 2025 Learn about unique use cases, homelab setups, and best practices at scale at our 24-hour virtual knowledge sharing Describe the issue Checkov crashes if it encounters an escaped backslash ("\\\\") at the end of a string. Hi @tmackness,. ns8!. I looked into some books I have and all they say the same: this will select all records written in column of chosen name that are containing backslash. 10; v1. 0 odd errors on terraform / azure "Missing required argument" 0 Arguments must be maps or objects, got "string" 0 Terraform: Invalid value for string parameter - Variable Validation Syntax The startswith function takes two values: a string to check and a prefix string. The content of this table varies depending on the user action. Add backslash to string. Commented May 20, 2014 at 5:29. The \\ escape sequence tells the parser to put a single backslash in the string: var str = "\\I have one backslash"; validating both on jsonlint. workspace}" } If you really must manually escape strings, you'll need to make sure that standard_conforming_strings is on and double quotes, eg don''t manually escape text; or use PostgreSQL-specific E'escape strings where you \'backslash escape\' quotes'. The escape sequence \uXXXX is part of the language's syntax and represents a single Unicode character. To avoid this, you can use any strategy that causes the initial $ to be separate from the following ${, so that Terraform will If you want to include a backslash character itself, you need two backslashes or use the @ verbatim string: var s = "\\Tasks"; // or var s = @"\Tasks"; Read the MSDN documentation/C# Specification which discusses the characters that are escaped using the backslash character and the use of the verbatim string literal. 168. strip() function on the string. 2", "10. string_list. Hot Network Questions How many isosceles triangles? "The Tiger's Paw" (Sangaku problem with six circles in an equilateral triangle, show that the ratio of radii How do you check if a terraform string contains another string? For example, I want to treat terraform workspaces with "tmp" in the name specially (e. Backslash sequences are not interpreted as escapes in a heredoc string expression. id. It returns true if the string begins with that exact prefix. But you cannot match name of any column. Default ="f\\3tix#" Note that if you define an output with the above value, Terraform will print the value in its escaped form, which can be confusing, because at the first glance, it I think you are confusing the escaped format with the actual data. Edit. Alternatively, you can avoid the need to escape those by The String call ensures that the input is a valid string. For example, having this: locals { test_var = "I'm the \"fi If I want to get a string containing 5 \,should i write 10 \ []. The ones under "String Functions" and "Encoding Functions" are the most Terraform by default doesnot identify string after :: in include_filter_resources as a regex string. \\storage1. 0 (alpha Right before the points. Generally regex ^8559 Contact Center (TEST)$ would help you to match your desired dataTable Name . To use it as a list requires deciding on how to order the elements. str = "hello-welcome-to-new-terraform" output = "new-terraform" str = "this-is-an-example-of-things" output = "example-of-things" str = "terraform-is-a-thing" output = "thing" Ideally if we can just have that done in 1 line that'd be great. For a path to a local file on a windows machine, use backslash. If you indent with spaces, the indentation will be left in. Is there a way to remove a substring base an a regex match or even just truncate the last 3 characters from a string? I can't use substr() because it expects me to know the full string length. e. In the later case the input is interpreted verbatim, and contains the three backslashes. Commented Jun 23, 2015 at 15:49. Actual Behavior. Likewise, %% { The output is a quoted string, so the double quotes within the string need to be escaped. aws_subnet_ids. In order for that to work you'd also need to escape the quotes for the shell's benefit, so that they can At the end of the string, backslash stands for itself because there is nothing following to escape. ^ means start of string. The v0. See the following example: @user3774907: In a string literal, if you want an actual backslash, you write two of them. 36. $ | jq -r '. You must escape "\" in regular expressions because it is a special character. String[] breakApart = sentence. That fix is already in the master branch ready for release. Checking for a Valid String before Passed as Parameter of a Resource. 3" However, I think it’s also worth taking a step back here and asking why we’re writing lists of quoted strings like this in the first place. I was trying to concatenate two string variables and have them separated by a backslash, so i used the following: newString = string1 + "\ ". The trim function removes the specified set of characters from the start and end of a given string. googleapis. The second handles embedded line terminators. HashiTalks 2025 Learn about unique use cases, homelab setups, and best practices at scale at our 24-hour virtual knowledge sharing event. ", representing the current working directory. txt"; string output = path. So for the regular expression you need to pass 2 backslash. Module main. txt" is the correct version, the backslash is correctly escaped and the underlying string will be exatly powershell. This happened to me when I was using the Terraform vRA Provider to create Cloud Templates (blueprints) in my vRA environment. 3. In any case use the Path object and you will get support Discussion and resources for all things Hashicorp and their tools including but not limited to terraform, vault, consul, waypoint, nomad, packer etc. com\\profiles. % tf output -raw username domain\\username The state also contains "value": "domain\\\\username", with a single escaped backslash in the json data. 107 1 1 silver badge 11 11 bronze badges. (Perhaps you recognize \n as newline. Steps to Reproduce. Thus there's no way for higher level code to detect and remember whether a string literal was formatted as "\/Date(2015-02 Try using the escaped character '\\' instead of '\':. 1. subnet_list. stringify("\/") returns "/" since it sees an escaped forward slash, so its just a forward slash. The problem is that Terraform defines a variable in a template like ${variable} and this plugin expects to find its variables in the file as literal ${variable}. Terraform actually delegates much of this behavior to an upstream library called go-getter, and so it's likely that this will need to be fixed there rather than here, but we'll need to do some further Python strings are processed in two steps: First the tokenizer looks for the closing quote. You cannot preserve the "exact" string when you stringify, since parsing a json string will not escape The date string should look like this: "2013/5/15" Instead , JSONObject. terraform init; terraform apply; Additional Context References The trim function removes the specified set of characters from the start and end of a given string. Basic String Replacement. Moreover replaceAll first arg is a regular expression that also use backslash as escape sequence. What it does depends on the next character. I don't actually know if this will make a difference, but if it does turn out to work when written explicitly in this way then that would be a good clue as to where the bug is. The \\ escape sequence tells the parser to put a single backslash in the string: var str = "\\I have one backslash"; Terraform discussion, and hence need some help. This is because the \ is a special character, reserved to escape the character that follows it. The body of the request is json array. How do you check if a terraform string contains another string? For example, I want to treat terraform workspaces with "tmp" in the name specially (e. resource "aws_ecr_repository_policy" "main" { repository = var. Terraform documentation says that “Backslash sequences are not interpreted in a heredoc string”, but I have an issue when two consecutive backslashes are replaced with four backslashes. You need to escape the backslashes in your string literal. That's because in a string literal, a backslash is an "escape" character. Modified 4 years, 3 months ago. tf: output1: Demonstrates direct concatenation by adding "id" to the value of var. If you want an actual backslash in the string or regex, you have to write two: \\. Example: string path = "C:\\Hg\\temp\\LogFile. Dismiss alert Terraform Terraform Registry (opens in new tab) Developer; Terraform; Configuration Language; Functions; v1. Terraform doesn't understand what you intended and so it's guessing that the expression ends after ordered_cache_behavior. exe New-Item C:\chris. 0 (rc) v1 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Hi @naresh. Now that you have defined your variables, you can use them within your Terraform module or resource configurations. Concat strings and list variable in terraform. A single backslash is actually represented by two backslashes \\. will give you any result if content of any column will contain backslash. 6. parameters = <<PARAMETERS { "allowedLocations": { "value": ${jsonencode(var. This function works only with the path string and does not access the filesystem itself. ) It's also useful if you want to write a string containing a single " I have a list of GCP services, e. I used the any object type in place of the string object type. monitoring What is a string in Terraform? In Terraform, a string is a sequence of characters used to represent text data. You have to do this in INSERT statements, but you also have to do it in the parameters to the REPLACE function. Tests. Thus you are replacing any substring 't with \'t. To add to Jordan's answer. What you can do is do use a work-around: use a single quote ' to quote something in a text. – Laurent Pireyn Commented Jun 21, 2011 at 11:16 The problem with this function it returns a string similar to: C:\Users\SomeUser\Desktop\cool\Archief\CDATA1. 10. It recognizes backslashes when it does this, but doesn't interpret them - it just looks for a sequence of string elements followed by the closing quote mark, where "string elements" are either (a character that's not a backslash, closing quote or a newline - except newlines are I have a template file, that is creating a fluentd file and inserting various variables. A total number of files which have to be checked is ~30. (This is to say, neither the filter expression nor terraform accept single-quote as an alternative). /modules/example" nested_map = var. Only the provider parses the string and assumes the later part of string as regex. 1/32", 0) 1. – ColleenV. . How can I tell terraform to not interpolate a A single \ in an R string is invalid because \ is an escape character. The result you’re seeing here is confusing to me. The output is correct, and internally there are no backslashes in the string. 12. Ask Question Asked 5 years, 10 months ago. The result is "\\\\". In terraform,I am trying to make a PUT call via curl command using null_resource and executing the command in local_exec provisioner. Thanks for filing the issue. strip() + string2 Terraform on Windows expects to receive a command line string following the Microsoft C++ command line processing patterns, which means: Arguments are delimited by white space, which is either a space or a tab. This means that the closing quotation marks become a part of the argument, and don't actually terminate the string. ; If The replace function searches a given string for another given substring, and replaces all occurrences with a given replacement string. 10. com\profiles. If you want to deal with an already quoted string, you can change the first replace to this: '"' + String(str). output2: Uses the join() function to combine multiple +1: The double backslashes in the string is an escaped backslash, so this answer is the only plausible explanation of the result. txt Strings use backlashes as escape characters. HashiTalks 2025 Learn about unique use cases, homelab setups, and best practices at scale at our 24-hour virtual Terraform Registry (opens String literals are the most complex kind of literal expression in Terraform, and also the most commonly used. Right before the points. The \ is an escape character in both String and regex. printing backslashes in file paths. In your case you wanted JSON and so jsonencode again would probably be the most suitable choice:. This is the behaviour of the shell you're using (presumably bash or similar), not Python (although you can escape characters within Python strings, too). replaceAll("\\\\", "\\\\\"); But you don't necessarily need regex for this, simply because you want an exact character-by-character replacement and you don't need patterns You can split a string by backslash using a. 9. If you want to use the \ character, you need to escape it with another \, so your string becomes. x series is now frozen aside from some limited changes being driven by the Terraform Enterprise team, so unfortunately we won't be able to push a fix for this in a Explanation: variables. txt. repository_policy } Windows separates directories with backslashes (\) The right way depends on it's use. The first one serves as an escape character, the second one is the actual backslash. The function returns true if the string begins with that exact prefix. This is line three. Terraform uses the re2 library to handle regular expressions which does supposedly take a /i flag to make it case insensitive. 0 (alpha) v1. The first log line reports this: Executing: ["cmd" "/C" "echo \"Hello World\""] The backslashes we see here are a result of Terraform presenting the argument in quotes itself and thus escaping the ones in the string for display only. hxkojpbewmzdbbcjxdyivangjqykyshujywtbrhaghdkmgvmiuaa