Which Regex engine does this use?

The tool uses the standard JavaScript (V8) Regular Expression engine, meaning it supports lookaheads, lookbehinds, and standard ECMAScript flags.

Casetivo

Regex Text Tool

Match and replace text using regular expressions

Characters: 0|Words: 0

How does the Regex Text Tool work?

The Regex Text Tool allows developers to write powerful Regular Expressions to search, match, and replace complex patterns within a block of text. It is an indispensable utility for advanced data extraction.

Advanced Pattern Matching

If you need to extract all email addresses from a 10,000-word document, or find every phone number regardless of its formatting, a standard 'Find' tool won't work. By writing a Regex pattern like `\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}\b`, you can extract exactly what you need.