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Asked: 2026-06-11T11:05:47+00:00

I have a string: 2012-szept-17 02:55 – someproblem: 192.167.1.1 since – $somevariables[0] $morevariables[-1] and

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I have a string:

"2012-szept-17 02:55 - someproblem: 192.167.1.1 since - $somevariables[0] $morevariables[-1]"

and I want to get these out of it into an array

$somevariables[0]
$morevariables[-1]

The problem is that these variables can be named anything else and they could be anywhere in the string. The only thing I know about them is that they start with $ and have [sg] in the end.

This is the furthest I got with the regexp 

my @fuu = $notimsg =~ m/(\$.+\[.+\])/g;

The problem is that the expression is making this into "$somevariables[0] $morevariables[-1]"

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1 Answer

  1. Editorial Team

    If they must be valid variable names (identifiers), then try

    m/(\$\w+\[[^]]+\])/g

    As @Borodin points out, if you really want to make sure you match only identifiers (and not something strange like $3abc[12]), you can use

    m/(\$[a-z_]\w*\[[^]]+\])/gi
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