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.
matches any whitespace character (equivalent to [\r\n\t\f\v ]) * matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy) 2nd Capturing Group ( ( [零幺一二两三四五六七八九十百千万点比] |[零一二三四五六七八九十][ ] |...
[[: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.]+\.\...
extended. Literal whitespace characters are ignored, except in character sets. 例如: 正则表达式/b qt/可以匹配字符串b qt(正常模式) 正则表达式/b qt/x不能匹配字符串b qt(忽略空白字符) 正则表达式/b\ qt/x可以匹配字符串b qt(转义字符) 正则表达式/b\sqt/x可以匹配字符串b qt(字符类) ...
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
`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: ...
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]. \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...
The * symbol can be used with the meta character . to match any string of characters .*. The * symbol can be used with the whitespace character \s to match a string of whitespace characters. For example, the expression \s*cat\s* means: zero or more spaces, followed by a lowercase ...
{5,}Matches 5 or more occurrences of the preceding character or group {5, 10}Matches everything between 5-10 Character classesDescription \sMatches a whitespace character \SMatches a non-whitespace character \wMatches a word character \WMatches a non-word character ...