✨ Developer Tools

Regex Tester

Test regular expressions in real-time with live match highlighting, capture groups display, and a library of common patterns.

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Enter a regex pattern above

Test String 0 chars

📧 Email

[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}

🌐 URL

https?:\/\/[^\s/$.?#].[^\s]*

📱 Phone (IN)

(\+91|0)?[6-9]\d{9}

🔒 Strong Password

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$

🌍 IPv4 Address

\b((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4}

📅 Date (YYYY-MM-DD)

\d{4}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01])

💳 Credit Card

\b(?:4\d{3}|5[1-5]\d{2}|6011|3[47]\d{2})[\s\-]?\d{4}[\s\-]?\d{4}[\s\-]?\d{4}\b

#️⃣ Hex Color

#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})\b

🔑 JWT Token

eyJ[A-Za-z0-9_\-]+\.eyJ[A-Za-z0-9_\-]+\.[A-Za-z0-9_\-]+

🐙 GitHub Username

^[a-z\d](?:[a-z\d]|-(?=[a-z\d])){0,38}$