\s matches any whitespace character (equivalent to [\r\n\t\f\v ]) Match a single character present in the list below [a-zA-Z] a-z matches a single character in the range between a (index 97) and z (index 122) (case insensitive) A-Z matches a single character in the range be...
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 Any non-word character \W Non-capturing group (?:...) ...
\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...
\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)更快也更精确
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 ...
Do you want to remove white space and empty space lines in Excel? Learn how to use Regex to remove whitespace & empty lines in Excel.
`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: ...
\s- matches any whitespace character (negation:\S) \d- matches any decimal digit (negation:\D) \z- matches end of string (negation:\Z) \p{name}- matches characters from the given unicode category, e.g.\p{P}for punctuation characters (supported categories:P,Lt,Ll,N,S) (negation:\P...
\S - Matches where a string contains any non-whitespace character. Equivalent to [^ \t\n\r\f\v]. Let's check if the following string examples match the regex pattern \S. StringMatched? Reason a b 2 matches(at a b) string contains two non-whitespace characters (a and b) No Match...
. Any single character \s Find any whitespace character \S Find any non-whitespace character \d Find any digit \D Find any non-digit \w Find any word character (letter, number, underscore) \W Find any non-word character \b Find any word boundary ...