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Friday, 2019-02-22
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0:13 AM
Perl store regex matches to array

Perl is full of neat one-liners. You can get string regex matches right into an array. It is best shown with example:

To make it interesting let's take some HTML-like markup:


and capture name attribute's values to an array:

@result = $input =~ /(?:\<name=\")(.+?)(?:\"\/>)/g;

As you see the actual capture happens in the middle of regex: "(.+?)", and /g forces the match to repeat over and over.

If we spice up the code with little bit of data dumping:

use Data::Dumper;
print Dumper(\@names);

we'll observe

$VAR1 = [

Just as required :-)
Views: 388 | Added by: ep | Tags: Perl | Rating: 0.0/0
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