About 正则表达式构建器
可视化构建和测试正则表达式
Use this free online 编程工具 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
可视化构建和测试正则表达式
Quick Add Patterns
Characters
. Any character
\d Digit (0-9)
\w Word character
\s Whitespace
\b Word boundary
Quantifiers
* 0 or more
+ 1 or more
? 0 or 1
{'{'}n{'}'} Exactly n
{'{'}n,m{'}'} n to m
Anchors
^ Start of string
$ End of string
Groups
(abc) Capture group
(?:abc) Non-capture
a|b Or
可视化构建和测试正则表达式
Use this free online 编程工具 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.