为了匹配所有的东西直到某个字符X,最简单的应该是;
为了匹配所有的东西直到某个字符X,最简单的应该是;
not_InGreek">Any character except one in the Greek block (negation)<><\p{Sc&&[^\p{Lu}]]]}</th<>td headers="matches unicode not_uppercase">Any letter except an uppercase letter (restion) Boundary matchers <th style="vertical-align:top; font-weight:normal" id="begin_line"<^>/...
. Any character except new line (includes new line with s flag). [0-9] Any ASCII digit. [^0-9] Any character that isn't an ASCII digit. \d Digit (\p{Nd}). \D Not a digit. \pX Unicode character class identified by a one-letter name. \p{Greek} Unicode character class (gener...
[arn]Returns a match where one of the specified characters (a,r, orn) is presentTry it » [a-n]Returns a match for any lower case character, alphabetically betweenaandnTry it » [^arn]Returns a match for any character EXCEPTa,r, andnTry it » ...
In regex, we can match any character using period "." character. To match only a given set of characters, we should use character classes.
For example, the regular expression/.(at)/g means: any character except a new line, followed by a lowercase a, followed by a lowercase t. Because we provided the g flag at the end of the regular expression, it will now find all matches in the input string, not just the first one ...
Any non-word character \W Non-capturing group (?:...) Capturing group (...) Zero or one of a a? Zero or more of a a* One or more of a a+ Exactly 3 of a a{3} 3 or more of a a{3,} Between 3 and 6 of a a{3,6} ...
The following example defines a regular expression, \s+, that matches one or more white-space characters. The replacement string, " ", replaces them with a single space character. C# Copy Run using System; using System.Text.RegularExpressions; public class Example { public static void Main(...
The user-defined function method is a popular way to use regular expressions, as it is easy to use and fast. It is also supported by many tools and services, so you can use it without writing any code or installing any libraries. However, this is just one opinion based on personal expe...