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You don't specify what you want this FOR which would be enlightening. What you are describing is sort of asking for a Levenshtein edit distance of 1, but then again perhaps not. These links provide answers/code/modules that may be relevant.

Here is a snippet of code that lets you generate a dynamic regex to match you targets. This assumes what you need is as simple as stated.

my $word = 'match'; my $string = 'Hatch a plan to watch this RE match'; my @match_re; for my $offset( 0..length($word)-1 ) { my $possibility = $word; # replace one char with . to match anything substr $possibility, $offset, 1, '.'; push @match_re, $possibility; } my $match_re = join '|', @match_re; print "The match RE is qr/$match_re/\n"; $match_re = qr/($match_re)/; my @matches = $string =~ m/$match_re/g; print "Found @matches\n" if @matches; __DATA__ The match RE is qr/.atch|m.tch|ma.ch|mat.h|matc./ Found Hatch watch match

Note I am substituting a . into the possibility which will match anything but a newline in the form given. You may want A-Za-z or \w or whatever.....

cheers

tachyon

s&&rsenoyhcatreve&&&s&n.+t&"$'$`$\"$\&"&ee&&y&srve&&d&&print


In reply to Re: 1 mismatch string matching by tachyon
in thread 1 mismatch string matching by Anonymous Monk

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