re.VERBOSEre.XAllows whitespaces and comments inside patterns. Makes the pattern more readableTry it » Special Sequences A special sequence is a\followed by one of the characters in the list below, and has a special meaning: CharacterDescriptionExampleTry it ...
\s - Matches where a string contains any whitespace character. Equivalent to [ \t\n\r\f\v].ExpressionStringMatched? \s Python RegEx 1 match PythonRegEx No match\S - Matches where a string contains any non-whitespace character. Equivalent to [^ \t\n\r\f\v]....
\s- Matches where a string contains any whitespace character. Equivalent to[ \t\n\r\f\v]. \S- Matches where a string contains any non-whitespace character. Equivalent to[^ \t\n\r\f\v]. \w- Matches any alphanumeric character (digits and alphabets). Equivalent to[a-zA-Z0-9_]. By...
[[:space:]] 空白(whitespace)字符 [[:upper:]] 大写字母字符 [[:digit:]] 数字字符 [[:graph:]] 非空格(nonspace)字符 [[:xdigit:]] 十六进制数字字符 五、重复匹配 5.1匹配多个字符的实际需要 5.1.1匹配一个或多个字符(+) \w+@\w+\.\w+ 匹配多个邮箱xx@gmail.com [\w.]+@[\w.]+\.\...
对于常见的字符集(如数字集,或者字母数字集等),regex提供了相应的简写(shorthandcharacterclass) 如\d 表示数字, \w表示字母数字字符加下划线, \s匹配whitespacecharacter同时 regex还提供了一种特殊的字符 . ,Dotmatchalmostanycharacter, 当然应该尽量少使用 . 在一般情况下字符集或者非字符集(negatedcharacterclass)...
compile(r""" $ # end of line boundary \s{1,2} # 1-or-2 whitespace character, including the newline I # a capital I [tT][eE][mM] # one character from each of the three sets this allows for unknown case \s+ # 1-or-more whitespaces INCLUDING newline \d{1,2} # 1-or-2 ...
`S/DOTALL` "." matches any character at all, including the newline. `X/VERBOSE` Ignore whitespace and comments for nicer looking RE's. `U/UNICODE` Make \w, \W, \b, \B, dependent on the Unicode locale. 6.2,match 方法 re.match尝试从字符串的起始位置开始匹配: ...
Replace all the whitespace with a hyphen Remove all whitespaces Let’s see the first scenario first. Pattern to replace:\s In this example, we will use the\sregex special sequencethat matches any whitespace character, short for[ \t\n\x0b\r\f] ...
AnyButWhitespace() 匹配除空格字符以外的任何字符 AtLeastOnce()将提供的模式匹配一次或多次。 Either匹配列表中的任意一个 具体来说, Atleastonce(AnyButWhitespace())匹配一个或多个不是白空间字符的字符。Either(“.com”,“ .cn“ )匹配“.com”,“ .cn“ 中的一个。
A character in the range: a-z or A-Z [a-zA-Z] Any single character . Alternate - match either a or b a|b Any whitespace character \s Any non-whitespace character \S Any digit \d Any non-digit \D Any word character \w