How to use it
Enter non-sensitive test data, inspect the output, and verify its format before using it in a project.
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Regular Expression Tester
Test a regular expression and flags against text with live match highlighting.
매칭 결과2개 일치
문의: hello@123eggs.com
지원: support@example.kr
잘못된 주소: hello@
TOOL GUIDE
When to use it
Content reviewed · 2026-07-24
Test a regular expression and flags against text with live match highlighting.
Before you rely on the result
Verify supported formats and the generated file in the service where you plan to use it.
Data handling
Inputs and files are processed in this browser and are not uploaded for the task.
Related tools
A few tools that fit naturally with this task.