正規表示式測試器

即時測試正規表示式，顯示所有相符項目、捕捉群組和位置。

regex testerregular expression testerregex onlinetest regexregex matcher

Drag & drop a file here, or click to browse

Options

Pattern

Flags:

i — case insensitive

m — multiline

s — dotAll

Input

Output

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Example 1

The quick brown fox jumps over the lazy dog

Click "Example 1" above to load

Frequently Asked Questions

Q: Which regex flavor is used?

A: JavaScript (ECMAScript) regex syntax.

Q: What flags are supported?

A: g (global), i (case-insensitive), m (multiline), s (dotAll).

Q: Does it show capture groups?

A: Yes, all capture groups are listed for each match.

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Privacy & Security

This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.