51 I guess the tag is a variable, and it is checking for 9eaf - but does this exist in Perl? What is the "=~" sign doing here and what are the "/" characters before and after 9eaf doing?

In Perl, the operator s/ is used to replace parts of a string. Now s/ will alter its parameter (the string) in place. I would however like to replace parts of a string befor printing it, as in pri...

Aug 7, 2013 · 8 On the accepted answer for String compare in Perl with "eq" vs "==" it says that First, eq is for comparing strings; == is for comparing numbers. "== does a numeric comparison: it converts …

You can find documentation about it in perlfunc. backticks like system executes a command and your perl script is continued after the command has finished. In contrary to system the return value is …

This is a Perl program, run using a terminal (Windows Command Line). I am trying to create an "if this and this is true, or this and this is true" if statement using the same block of code for both conditions …

May 26, 2014 · I'm new to Perl and came across this piece of code at work, I search for a while but did not find the answer. Can anyone help to explain its function in plain english? thanks.

Perl v5.12 added the \N as a character class shortcut to always match any character except a newline despite the setting of /s. This allows \n to have a partner like \s has \S.

I have been reading about Perl recently and am slightly perplexed about how Perl handles arguments passed to subroutines. In a language like Python, Java or PHP, a function definition takes the for...

Sep 19, 2009 · eq is for testing string equality, == is the same thing but for numerical equality. The =~ operator is for applying a regular expression to a scalar. For the gory details of every Perl operator …

Aug 7, 2010 · Perl pauses the compilation of PackageA; locates PackageB.pm and starts compiling it. Normally, that would complete successfully, and Perl would go back to complete compiling …