正则模式/g/
测试文本198 chars · 5 lines
高亮结果在上方输入正则模式以开始匹配。
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UUID: 550e8400-e29b-41d4-a716-446655440000
IP: 192.168.1.1, 10.0.0.255
Phone: +1-415-555-0132匹配项0
在上方输入正则模式以开始匹配。
预设
正则速查表
字符类
\d digit \w word char \s whitespace [abc] any of a, b, c [^abc] none of a, b, c . any char (except newline)
锚点
^ start of line/string $ end of line/string \b word boundary \B non-word boundary
量词
* 0 or more
+ 1 or more
? 0 or 1
{n} exactly n
{n,m} n to m
+? lazy分组
(abc) capture group (?:abc) non-capturing (?<name>abc) named group | alternation \1 backreference