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: test
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
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 Quiz
Learn regex and challenge yourself in a unique regex quiz: play progressively harder levels and compete with others in creating the shortest solutions.
regex101: Community Pattern Library
Search, filter and view user submitted regular expressions in the regex library. Over 20,000 entries, and counting!
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET.
regex101: Test
Search, filter and view user submitted regular expressions in the regex library. Over 20,000 entries, and counting!
regex101: Match any url in text or html (http, https)
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: ^[a-zA-Z0-9\._-]+@[a-zA-Z0-9-]{2,}[.][a-zA-Z]{2,4}$
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
regex101: US Phone number regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.