regex - How to add white space in regular expression in Javascript

JavaScript | Regular Expressions - GeeksforGeeks

Regular Expression (Regex) Tutorial | Code Example in JavaScript

Regular expressions - JavaScript | MDN | MDN Web Docs

Regular Expressions in JavaScript - Tutorial Republic

How Do You Define a Regular Expression in JavaScript?

Check whether String contains Special Characters using JavaScript

JavaScript RegExp Object | Regular Expression Patterns

A guide to JavaScript Regular Expressions | How does it work?

Regular Expressions in JavaScript — SitePoint