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
About the origins and characteristics of Perl and Python
Perl is the abbreviation of practical extraction and report Language, created by Larry Wall in 1987, originally designed to facilitate the processing of reports on UNIX, and has become a fully
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
First, Introductionpattern refers to the character of a particular sequence that is searched for in a string, which is included by a backslash:/def/, Mode def. Its usage, such as combining function split, splits a string into multiple words in a
First, Introduction
Pattern refers to the character of a particular sequence that is searched for in a string, which is included by a backslash:/def/, Mode def. Its usage, such as combining function split, splits a string into multiple words in a
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
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
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
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