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Re: A challenging problem in perl regular expression

by Albannach (Monsignor)
on Jan 08, 2009 at 05:03 UTC ( [id://734806]=note: print w/replies, xml ) Need Help??


in reply to A challenging problem in perl regular expression

How about: 
$_='JAZZxxJAZZJAZZxxJAZJAZZxxJAZZ';
print $_,$/;
s/(.*?)(JAZZ)/('a'x length $1) . $2/ge;
print

[download]
which gives: 
JAZZxxJAZZJAZZxxJAZJAZZxxJAZZ
JAZZaaJAZZJAZZaaaaaJAZZaaJAZZ

[download]

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