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How do I remove consecutive pairs of characters?

by faq_monk (Initiate)
on Oct 08, 1999 at 00:20 UTC ( #592=perlfaq nodetype: print w/replies, xml ) Need Help??

Current Perl documentation can be found at perldoc.perl.org.

Here is our local, out-dated (pre-5.6) version:

To turn "abbcccd" into "abccd":

    s/(.)\1/$1/g;