Re: Basic Regular expression

$2 can't be null, because it must be either e or r to make the match successful.

Compare with

$a =~ /^(.+)([er]?)(.*)$/;
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($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
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Re^2: Basic Regular expression by skkeni04 (Initiate) on Feb 13, 2017 at 03:32 UTC
Thanks, Got it.	[reply]