Home » Developer » Regex Tester

Regex Tester

Try out a regular expression against your text and instantly see all matches, their positions and any capture groups. Great for debugging patterns before using them in code.

Ready.
Matches will appear here.

How to use

  1. Type your regular expression.
  2. Tick the flags you need (g, i, m).
  3. Paste test text and click Test Regex.

Related tools

💻

JSON Formatter & Validator

Format, beautify and validate JSON in one click.

💻

Base64 Encoder / Decoder

Encode and decode Base64 safely, including unicode text.

💻

URL Encoder / Decoder

Encode and decode URLs and query strings instantly.

💻

HTML Encoder / Decoder

Encode HTML entities and decode them back, instantly.