ToolsCandy

Regex Tester — Test Regular Expressions Online

Test JavaScript regular expressions against sample text. Toggle flags (g, i, m, s, u, d), see all matches with indexes and capture groups — runs locally in your browser.

Your data never leaves your browser

//g
Test string
Results

Enter a regex pattern to see matches

About this tool

Live highlightReplace preview8 presetsReDoS guardJS snippetPrivate

How to use

  1. Enter a regex pattern and select flags.
  2. Paste test text in the left panel.
  3. Review matches with index and groups on the right.

Examples

Find words 5+ chars

pattern: \b\w{5,}\b
Matches: Hello, world, ToolsCandy, regex, tester

FAQ

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