regex pattern matching examples

In a recent project, it was found that the previous regular matching modules had a very bad performance penalty for long string matching, so the various regular matches under the long string were slightly studied and attached with examples. This

ArticleSource: msdn. NET Framework class library RegEx class http://msdn.microsoft.com/zh-cn/library/system.text.regularexpressions.regex   Static and instance methods Execute Regular Expression operations Example 1. Use regular

1 OverviewThe greedy and non-Greedy modes affect the Matching Behavior of the Child expressions modified by quantifiers. The greedy mode matches as many expressions as possible on the premise that the entire expression matches successfully, the

1 OverviewThe greedy and non-Greedy modes affect the Matching Behavior of the Child expressions modified by quantifiers. The greedy mode matches as many expressions as possible on the premise that the entire expression matches successfully, the

The Regular Foundation--greed and non-greedy pattern 1 Overview Greed and non-greedy mode affect the matching behavior of the subexpression modified by the quantifier, and the greedy pattern matches as many as possible on the premise that the

The Regex class represents a regular expression that is not mutable (read-only). It also contains a variety of static methods that allow you to use other regular expression classes without explicitly creating instances of other classes. Overview of

Regular Expression (Regular Expression) pattern matching can automate many text processing operations, such as search replacement, input verification, text conversion, and filtering. The powerful Regular Expression Processing Engine greatly reduces

C # Regular expression notation pattern Characters Description \ An escape character that escapes a character with special functionality to a normal character, or vice versa ^ Match the

C # Regular expression notation pattern Characters Description \ An escape character that escapes a character with special functionality to a normal character, or vice versa ^ Match the

There was a time when regular expression learning was hot and trendy, and there were several regular expression posts in csdn one day, and that time, with the help of the Forum and the C # string and regular expression reference manual published by