CleanTextLab
Bereinigen Sie unordentlichen Text in Sekunden. Schnelle Browser-Tools für Zeilenumbrüche, Akzente, Listen, Telefonnummern, SMS und mehr. Keine Konten und keine Uploads.
Regex Tester
Testen Sie reguläre Ausdrücke mit Flags, sehen Sie Übereinstimmungen und markieren Sie Ergebnisse—alles in Ihrem Browser.
Chain this with other tools →NewHow it works
This tool compiles your regular expression pattern with the specified flags (g, i, m, etc.) and executes it against your test string. It highlights all matches, shows capture groups, and provides match details including index positions.
Common Use Cases
- Testing and debugging regex patterns before using in code
- Learning regular expressions with visual match feedback
- Extracting specific patterns from log files or data
- Validating input formats like emails, phones, or dates
Frequently Asked Questions
What regex flags are supported?
g (global), i (case-insensitive), m (multiline), s (dotAll), u (unicode), and y (sticky). Most patterns use 'g' and 'i'.
Why isn't my regex matching?
Common issues: forgetting to escape special characters (. * + ?), missing the global flag for multiple matches, or incorrect character class syntax.
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