Dynamic Regex In Javascript: How To Use Variables Within Patterns

2026 1:18
Synopsis
Learn how to use dynamic variables in regex patterns in JavaScript and simplify your code with the RegExp constructor.
Download Options
Choose a download method below. All links open in new tabs.
Service Features Action
SaveFrom
MP4 & MP3 • HD Quality • Browser Extension Available
Download
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.