Regex Tester

Test and validate regular expressions in real-time. Get instant feedback on your patterns with match highlighting and detailed explanations.

How to Use This Tool

1

Enter Pattern

Type your regular expression pattern in the input field.

2

Set Flags

Choose the appropriate flags for your pattern (global, case insensitive, multiline).

3

Test String

Enter the text you want to test against your pattern.

4

View Results

See matches highlighted in the test string and get a detailed explanation of your pattern.

Common Regex Patterns

Email

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

URL

^(https?:\/\/)?([\da-z.-]+)\.([a-z.]{2,6})([/\w .-]*)*\/?$

Phone Number

^\+?[\d\s-]{10,}$

Date (YYYY-MM-DD)

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