Regex

Test your regex by visualizing it with a live editor. JavaScript, Python, and PCRE.

Regular expression visualizer using railroad diagrams

Regular Expressions Tutorial. Comprehensive resource covering basic to advanced uses of regex. Includes regex cheat sheet, tools, books and tricks.

Learn Regex interactively, practice at your level, test and share your own Regex.

You can use RegExTranslator.com to decode a regular expression into English or to write your own regular expression with Simple Regex Language. We also include common patterns like regex for phone numbers, regex for email addresses, and general pattern matching. You can even create and store your own regex terms.

Regular expressions or commonly called as Regex or Regexp is technically a string (a combination of alphabets, numbers and special characters) of text which helps in extracting information from text by matching, searching and sorting.

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java. Features a regex quiz & library.