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Special characters in regular expressions
Character implication
\ As a turn, that is, the characters usually after "\" are not interpreted in the original sense, such as the/b/matching character "B", when B is preceded by a backslash/\b/, to
About us if you have ever used Perl or any other built-in regular expression support language, you must know how simple it is to handle text and matching patterns with regular expressions. If you are unfamiliar with the term, then "regular
1. Basic knowledge of regular expressionsMeaning: A string pattern consisting of ordinary characters and (A-Z) and some special character
function: Validation.
Replace the text.
Extracts a substring from a string.
Category: POSIX and Perl
POSIX
What is regexp in ASP
' Name character test
The following are the referenced contents:Public Function CheckName (STR)Checkname=trueDim Rep,passSet Rep=new RegExp ' establishes regular expressions.Rep.global=true ' Sets global
Basic knowledge
CharacterPOSIX Extended Regular Expression functionsPerl-compatible Regular expression functionsFrom the message verification.
The format of the message:
Tenssun@163.com
Where Tenssun is the user name, 163.com is the server name
Javascript| Regular
A regular expression is an object that describes a character pattern.
JavaScript's RegExp objects and string objects define methods that use regular expressions to perform powerful pattern matching and text retrieval and
JavaScript's RegExp objects and string objects define methods that use regular expressions to perform powerful pattern matching and text retrieval and substitution functions.
In JavaScript, regular expressions are represented by a RegExp object.
JavaScript's RegExp objects and string objects define methods that use regular expressions to perform powerful pattern matching and text retrieval and substitution functions.
In JavaScript, regular expressions are represented by a RegExp object. Of
Regular expression syntax on JavaScript
Author: no powerSource: http://www.blog.edu.cn/user2/afan/archives/2006/1215847.shtml
A regular expression is an object that describes the character mode.The Regexp object and string object in Javascript
var recat = new RegExp ("Cat", "GI"); The RegExp constructor can take one or two arguments, the first parameter describes the pattern string that needs to be matched, and the second parameter specifies the additional processing command
var recat
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