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RegEx Tester & Debugger
Testen Sie reguläre Ausdrücke in Echtzeit mit Match-Hervorhebung und Erklärungen.
Kurzübersicht:
Reguläre Ausdrücke (RegEx) online testen und debuggen mit Echtzeit-Treffern und Erklärungen.
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Input & Controls
0 characters
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What is RegEx Tester & Debugger?
Interactive regex testing tool with flags (g, i, m, s, u), capture group inspection, match count, and live highlight markers.
Unlike traditional online utilities that upload your sensitive payloads to a remote server, TechnoLila's RegEx Tester & Debugger executes 100% locally in your web browser using modern JavaScript APIs, HTML5 Canvas, and SVG vector rendering. No barcodes, asset IDs, Wi-Fi credentials, tokens, or proprietary payloads ever leave your device.
How to Use RegEx Tester & Debugger Online
Enter regular expression pattern, choose flags (e.g. g, i), and enter test string.
RegEx Tester & Debugger Example
Example Input:
Pattern: [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}\nText: Contact info@technolila.com or support@example.orgExample Output:
Match 1: info@technolila.com
Match 2: support@example.orgCommon Use Cases
Email validation, URL pattern testing, log parsing, data sanitization.
Common Mistakes & Gotchas
Unescaped forward slashes or missing global flag (g).
Frequently Asked Questions
Which regex engine is used?
Standard JavaScript ECMAScript RegExp engine with full Unicode and lookahead support.
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