Regular Expressions Cheat Sheet

Regular expressions (regex or regexp) provide a concise and flexible means for matching strings of text, for instance particular characters, words, or patterns of characters. A regular expression is written in a formal language that can be interpreted by a normal expression processor, a program that either serves as a parser generator or examines text and identifies parts that match the provided specification.Regular expressions are used by quite a few text editors, utilities, and … Read more...