Regex: Regular expressions or commonly called

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. Introduction The following pages are intended to give you a solid foundation in how to write regular expressions (Also referred to as regex or RE's). A regular expression is a means for describing a particular pattern of characters of text. That's kinda a bit abstract so let's try to put it into perspective. With regular expressions you can: Search for particular items within a large body of text. eg. You may wish to identify all email addresses in some content using a text editor. Replace ... The tables below are a reference to basic regex. While reading the rest of the site, when in doubt, you can always come back and look here. (It you want a bookmark, here's a direct link to the regex reference tables). I encourage you to print the tables so you have a cheat sheet on your desk for quick reference. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.