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Perl Compatible Regular Expressions (PCRE) is a library written in C, which implements a regular expression engine, inspired by the capabilities of the Perl programming language. Philip Hazel started writing PCRE in summer 1997. [ 3 ]
Learning Perl, also known as the llama book, [1] is a tutorial book for the Perl programming language, and is published by O'Reilly Media. The first edition (1993) was authored solely by Randal L. Schwartz, and covered Perl 4. All subsequent editions have covered Perl 5.
Perl is an open-source programming language whose first version, 1.0, was released in 1987. The following table contains the Perl 5 version history, showing its release versions. Not all versions are covered yet.
A beginner's tutorial for those new to programming or just new to Perl. Modern Perl Archived December 22, 2011, at the Wayback Machine 2nd Edition (2012), Onyx Neon. Describes Modern Perl programming techniques. Programming Perl 4th Edition (2012), O'Reilly. The definitive Perl reference. Effective Perl Programming 2nd Edition (2010), Addison ...
Up until the 5.10.0 release, there was no switch statement in Perl 5. From 5.10.0 onward, a multi-way branch statement called given / when is available, which takes the following form: use v5.10; # must be present to import the new 5.10 functions given ( expr ) { when ( cond ) { … } default { …
Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. [33] Python is dynamically type-checked and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional ...
Experienced Perl programmers often comment that half of Perl's power is in the CPAN. It has been called Perl's killer app. [16] It is roughly equivalent to Composer for PHP; the PyPI (Python Package Index) repository for Python; RubyGems for Ruby; CRAN for R; npm for Node.js; LuaRocks for Lua; Maven for Java; and Hackage for Haskell. CPAN's use ...
ActivePerl is a distribution of Perl from ActiveState (formerly part of Sophos) for Windows, macOS, Linux, Solaris, AIX and HP-UX.. A few main editions are available, including: Community (free, for development use only), and several paid tiers up to Enterprise that includes support for OEM licensing.