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Regex-tester — Reguliere expressies testen

Test en debug reguliere expressies met realtime matching.

Pattern & Flags

g: global | i: ignore case | m: multiline | s: dotall

Matches Found: 0
Common Patterns

💡 Regex Tips

  • \d = digit, \w = word char, \s = whitespace
  • . = any char, * = 0+, + = 1+, ? = 0-1
  • [abc] = a or b or c, [^abc] = not a, b, or c

Frequently Asked Questions about Regex Tester

Is Regex Tester completely free to use?
Yes, Regex Tester is 100% free with no sign-up, no watermarks, and no usage limits.
Are my uploaded files safe and private?
Yes. Files are uploaded over HTTPS, processed securely on our servers, and permanently deleted immediately after your download. We never store, view, or share your files.
What is the maximum file size?
You can upload files up to 5 MB. For larger files, consider compressing or splitting them first.
Does it handle large code or data files?
Yes, the tool handles files and pastes of any size. Very large inputs may take a moment to process.
Does Regex Tester work on mobile and tablet?
Yes, Regex Tester is fully responsive and works in all modern browsers on desktop, tablet, and mobile.
Files are processed securely and permanently deleted after download. Never stored or shared.

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