Terraform Regex – Regular Expressions in Terraform

Regular expressions (regex) are special text patterns used to match specific patterns within text. They are a powerful tool for searching, extracting, and manipulating text data in various applications, such as text editors, search tools, and programming languages. Terraform uses Google's RE2 regular expression engine, which is known for its high efficiency and comprehensive feature set. The common use cases for regex include text search and manipulation, data extraction, input validation, and code search and refactoring. In this article, we covered the basics of regular expressions, their usage in Terraform, and examples of using the regex, regexall, and replace functions in Terraform.