\w- Matches any alphanumeric character (digits and alphabets). Equivalent to[a-zA-Z0-9_]. By the way, underscore_is also considered an alphanumeric character. \W- Matches any non-alphanumeric character. Equivalent to[^a-zA-Z0-9_] \Z- Matches if the specified characters are at the end...
When theLOCALEandUNICODEflags are not specified, matches any non-alphanumeric character; this is equivalent to the set[^a-zA-Z0-9_]. WithLOCALE, it will match any character not in the set[0-9_], and not defined as alphanumeric for the current locale. IfUNICODEis set, this will match...
In this example, we will use the[\b\W\b]+regex pattern to cater to any Non-alphanumeric delimiters. Using this pattern we can split string by multiple word boundary delimiters that will result in a list of alphanumeric/word tokens. Note: The\Wis aregex special sequencethat matches any N...
\W - Matches any non-alphanumeric character. Equivalent to [^a-zA-Z0-9_]ExpressionStringMatched? \W 1a2%c 1 match (at 1a2%c) Python No match\Z - Matches if the specified characters are at the end of a string.ExpressionStringMatched? Python\Z I like Python 1 match I like Python ...
Non-capturing groups can come in handy when used in find-and-replace functionality or when mixed with capturing groups to keep the overview when producing any other kind of output. See also 4. Lookaround.2.6 AlternationIn a regular expression, the vertical bar | is used to define alternation...
\x where x is non-alphanumeric is a literal x \Q...\E treat enclosed characters as literal ESCAPED CHARACTERS This table applies to ASCII and Unicode environments. \a alarm, that is, the BEL character (hex 07) \cx "control-x", where x is any ASCII printing character \e escape (hex...
Non-capturing groups can come in handy when used in find-and-replace functionality or when mixed with capturing groups to keep the overview when producing any other kind of output. See also 4. Lookaround.2.6 AlternationIn a regular expression, the vertical bar | is used to define alternation...
A regular expression is a pattern that is matched against a subject string from left to right. Regular expressions are used to replace text within a string, validating forms, extracting a substring from a string based on a pattern match, and so much more. The term "regular expression" is ...
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Remove all non alphanumeric characters from a string except dash & space symbol Replace this Regex with an empty string + Compiled flag stackoverflow 7/12/2015 3:52:40 PM Split Split string to get Date and text I have to process text file like that: text 01/01/1970 text 02/01/1970 ...