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comm-regex's Introduction

常见正则表达式说明

  • 重复零次或更多次
  • 重复一次或更多次 ? 重复零次或一次 {n} 重复n次 {n,} 重复n次或更多次 {n,m} 重复n到m次

. 匹配除换行符以外的任意字符 \w 匹配字母或数字或下划线或汉字 \s 匹配任意的空白符 \d 匹配数字 \b 匹配单词的开始或结束 ^ 匹配字符串的开始 $ 匹配字符串的结束

\W 匹配任意不是字母，数字，下划线，汉字的字符 \S 匹配任意不是空白符的字符 \D 匹配任意非数字的字符

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