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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

I. Data Types(Data type): Perl has four data types: Scalar (variable), Scalar Array (Array), Hash Array (Hash), and References (pointer ), it seems to be rare, but it is more than enough to use it. Especially when writing Perl programs, you do not

one. DataType (data type ):Perl's data types are roughly four: Scalar (variables), Scalar Array (array), hash array (hash), References (pointer), but they seem to be small but more than sufficient. In particular, you can write a Perl program without

Differences from Perl PCRE function PCRE Patterns PHP manual Schema Syntax (No version information available, might only being in SVN) Schema syntax-syntax explanation for Perl compatible regular expressions The PCRE library is a set of functions

Thanks to aka and the author. Regular Expressions in PerlThree forms of regular expressions Common patterns in regular expressions The 8 major principles of regular expressions Regular expressions are a major feature of the Perl language and a

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

Regular Expression (Regular Expression, abbreviated as regexp, regex or regxp), also known as Regular Expression, Regular Expression or Regular Expression, or Regular Expression, it refers to a single string used to describe or match a series of

Regular Expression (Regular Expression, abbreviated as regexp, regex or regxp), also known as Regular Expression, Regular Expression or Regular Expression, or Regular Expression, it refers to a single string used to describe or match a series of

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 (Regular Expression, abbreviated as Regexp,regex or REGXP), also known as regular expressions, regular representations or regular expressions, or formal representations or regular representations, refer to a To describe or match