regular expression matching in perl

Perl's original designer was Larry Wall (Larry Wall), which was published on December 18, 1987. Perl borrows the features of C, sed, awk, shell scripting, and many other programming languages. Larry Wall Published version 1.0 of the Perl scripting

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

Regular Expression matching analysis process (Regular Expression matching principle), regular expression matching There have been many articles about regular expressions. As we use more and more regular expressions, we want to optimize performance

9 Regular Expressions in PerlThree forms of regular expressionsCommon patterns in regular expressions8 Principles of Regular expressionsRegular expressions are a major feature of the Perl language and a bit of a problem in Perl, but if you can

Objective PHP is a large number of web-used background CGI development, usually after the user data data to produce some results, but if the user input data is incorrect, there will be problems, such as someone's birthday is "February 30!" How

There have been several articles about regular expressions, and as we use regular expressions more and more, we want to optimize performance and reduce our regular expression-writing matching bugs. We have to delve further into the regular

Finally, csdn was chosen to sort out the knowledge points published over the past few years. This article was migrated to csdn in parallel. Because csdn also supports the markdown syntax, it's awesome! [Craftsman's water:

A regular expression, which is an object that describes the character pattern. The RegExp class for JavaScript represents regular expressions, and both string and RegExp define methods, which use regular expressions for powerful pattern matching and

Regular Expressions (Regular expression, abbreviated as Regexp,regex or REGXP), also known as regular expressions, regular expressions, or regular or normalized representations or formal representations, refer to a A single string that describes or

Regular expressions are a major feature of the Perl language and a bit of a pain in the Perl program, but if you have a good grasp of him, you can easily use regular expressions to complete the task of string processing, of course, in the CGI