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Re^2: Some odd ambiguity in this regex

by AnomalousMonk (Archbishop)
on Jun 05, 2020 at 19:50 UTC ( [id://11117741]=note: print w/replies, xml ) Need Help??

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  1. or download this
    c:\@Work\Perl\monks>perl -wMstrict -le
"$_ = '+++1223w3433.45+34***';
...
B: 12 digit grps.;  s/// string unchanged '+++1223w3433.45+34***'
C: 12 digit grps.;  s/// string unchanged '+++1223w3433.45+34***'
D: 12 digit grps.;  s/// string CHANGED '+++'

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