RegEx is short for Regular Expresssions. RegEx are strings of special characters that are used as patterns to match against strings. There are two ways to define RegEx in JavaScript. We will be building a project using RegEx to validate mobile number in US format.
Table of contents
OutlineWhat is RegEx?Use cases of RegEx.Ways to define RegEx in JavaScript.RegEx CheatsheetSome useful Flags.MetacharactersQuantifiers.1 Impression4 Comments