How to test regular expressions (Regex)

Regular expressions (Regex) are patterns used to search and manipulate text. Utilo's Regex tester helps create and test patterns with real-time preview.

How to use the Regex tester

Access the Regex Tester tool.
Enter the text you want to test.
Write the regular expression in the pattern field.
See matches in real time.

Features

Highlighted match visualization
Captured groups
Text substitution
Flags (global, case-insensitive, etc.)