regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: Regex tutorial
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: Community Pattern Library
Search, filter and view user submitted regular expressions in the regex library. Over 20,000 entries, and counting!
regex101: Regex Cheatsheet
Regular Expression 3 matches (51 steps, 8.98ms) (?mx) # x- modifiers to add comments in regex↵ #. #any character, except newline↵ #\s. #only space and newline characters↵ #\w+ …
regex101: test
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: Replace word
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: Regex Quiz
Welcome to the regex101 regex quiz! This is an interactive learning tool you can use to improve your understanding of regular expressions, and their different applications. The quiz is divided …
regex101: Javascript Regex
regex = /^(?:(?:\(?(?:00|\+)([1-4]\d\d|[1-9]\d?)\)?)?[\-\.\ \\\/]?)?((?:\(?\d{1,}\)?[\-\.\ \\\/]?){0,})(?:[\-\.\ \\\/]?(?:#|ext\.?|extension|x)[\-\.\ \\\/]?(\d+))?$/i;
regex101: Match any character and number
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: Account Page
If you want to permanently remove the saved data, you can easily do so from here. The delete link will be automatically tied to your account, so you never have to worry about losing it. By …