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Experimenting with word boundaries for non-word substitutions

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Pragmatic Software 2010-05-16 06:24:41 +00:00
parent dda750981b
commit 18e57bb25e
1 changed files with 4 additions and 2 deletions
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6
modules/ideone.pl
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@ -203,7 +203,7 @@ while($subcode =~ m/^\s*(and)?\s*replace\s*([^']+)?\s*'.*'\s*with\s*'.*'/i) {
$last_char = $1 if $from =~ m/(.)$/; $last_char = $1 if $from =~ m/(.)$/;
if($first_char =~ /\W/) { if($first_char =~ /\W/) {
$first_bound = '\B'; $first_bound = '.';
} else { } else {
$first_bound = '\b'; $first_bound = '\b';
} }
@ -224,7 +224,9 @@ while($subcode =~ m/^\s*(and)?\s*replace\s*([^']+)?\s*'.*'\s*with\s*'.*'/i) {
} }
} else { } else {
my $count = 0; my $count = 0;
if($code =~ s/($first_bound)$from($last_bound)/if(++$count == $modifier) { "$1$to$2"; } else { "$1$from$2"; }/gex) { my $unescaped = $from;
$unescaped =~ s/\\//g;
if($code =~ s/($first_bound)$from($last_bound)/if(++$count == $modifier) { "$1$to$2"; } else { "$1$unescaped$2"; }/gex) {
$got_change = 1; $got_change = 1;
} }
} }