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Re: Regex to replace consecutive tokens

by oiskuu (Hermit)
on Oct 18, 2013 at 22:54 UTC ( #1058844=note: print w/ replies, xml ) Need Help??


in reply to Regex to replace consecutive tokens

If all values are alphanumeric, you can use this:
$s =~ s/,\B/,0/g;

Update. Here's a rx that handles leading and trailing commas, empty strings:

$s =~ s/(^|,)\K(?![^,])/0/g;

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