Regex Find & Replace

Find matches with a regular expression and replace with a pattern (supports $1, $2 groups).

regex replacefind replaceregular expression replace

拖拽到此处或

支持文档、图片、音频、视频和文本文件

Pattern

Replacement

g — globali — ignore casem — multilines — dotAll

Source text

输出

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Examples

Example 1

The cat and the dog

Click above to load example 1

A: Uses the g flag from options; enable other flags as needed.

Test regular expressions against text in real time. Shows all matches, groups, and positions.

Compare two texts and highlight differences line by line. Shows added, removed, and unchanged lines.