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Following tested under ActiveState 5.8.9 and Strawberries 5.10.1.5, 5.12.3.0 and 5.14.4.1. I'm sure this code can be simplified a bit. No Benchmark-ing whatsoever done.

use warnings # FATAL => 'all' ; use strict; use Test::More # tests => ?? + 1 # Test::NoWarnings adds 1 test 'no_plan' ; use Test::NoWarnings; my $renames = { qw(this_sub that_sub var_1 var_a var_2 var_b and FILED), map { $_ => 'FAILED' } qw(Ignore nothing can t do it), }; my ($rx_rename) = map qr{ \b (?: $_) \b }xms, join q{ | }, keys %$renames ; # functions under test ############################################### +###### eval q{ # uses s///r from version 5.14.4+ # uses \K and possessive quantifiers from 5.10+ sub replace_5_14_4 { my ($string, ) = @_; my $rx_dquot = qr{ " [^"]*+ (?: "" [^"]*+)*+ " }xms; my $rx_ceol = qr{ ' [^\n]*+ \n?+ \z }xms; my $rx_skipem = qr{ $rx_dquot | $rx_ceol }xms; return $string =~ s{ $rx_skipem*+ \K ((?: (?! $rx_skipem) .)*+) } { $1 =~ s{ ($rx_rename) }{$renames->{$1}}xmsgr }xmsger; } } if $] >= 5.014_004; die "replace_5_14_4(): $@" if $@; eval q{ # uses \K and possessive quantifiers from 5.10+ sub replace_5_10_1 { my ($string, ) = @_; my $rx_dquot = qr{ " [^"]*+ (?: "" [^"]*+ )*+ " }xms; my $rx_ceol = qr{ ' [^\n]*+ \n?+ \z }xms; my $rx_skipem = qr{ $rx_dquot | $rx_ceol }xms; $string =~ s{ $rx_skipem*+ \K ((?: (?! $rx_skipem) .)*+) } { my $one = $1; $one =~ s{ ($rx_rename) }{$renames->{$1}}xmsg unless $one =~ $rx_skipem; $one; }xmsge; return $string; } } if $] >= 5.010_001; die "replace_5_10_1(): $@" if $@; eval q{ # should be ok for any version 5.8.9+ sub replace_5_8_9 { my ($string, ) = @_; my $rx_dquot = qr{ " [^"]* (?: "" [^"]* )* " }xms; my $rx_ceol = qr{ ' [^\n]* \n? \z }xms; my $rx_skipem = qr{ $rx_dquot | $rx_ceol }xms; # alt order co +unts! $string =~ s{ ( (?> $rx_skipem) | (?> (?: (?! $rx_skipem) .)*)) } { my $one = $1; $one =~ s{ ($rx_rename) }{$renames->{$1}}xmsg unless $one =~ $rx_skipem; $one; }xmsge; return $string; } } if $] >= 5.008_009; die "replace_5_8_9(): $@" if $@; # testing ############################################################ +###### METHOD: for my $func_name (qw(replace_5_14_4 replace_5_10_1 replace_5_8_9)) +{ next METHOD unless defined &{$func_name}; note "\n testing function $func_name() \n\n"; *replace = do { no strict 'refs'; *{$func_name}; }; VECTOR: for my $ar_vector ( "NONE of these should trigger substitution", [ qq{""}, qq{""}, ], [ qq{"'"}, qq{"'"}, ], [ qq{""""}, qq{""""}, ], [ qq{"Ignore"}, qq{"Ignore"}, ], [ qq{" Ignore "}, qq{" Ignore "}, ], [ qq{" Ignore "" it "}, qq{" Ignore "" it "}, ], [ qq{" Ignore " " it "}, qq{" Ignore " " it "}, ], [ qq{" Ignore " xxx " it " ' it}, qq{" Ignore " xxx " it " ' it}, ], [ qq{ foo("var_1", "Ignore ""can't""", """") ' do it \n}, qq{ foo("var_1", "Ignore ""can't""", """") ' do it \n}, ], "ALL of these should trigger substitution(s)", [ qq{ "Ignore" this_sub("first", var_1, "Ignore ""can't""", va +r_2, """") ' do it \n}, qq{ "Ignore" that_sub("first", var_a, "Ignore ""can't""", va +r_b, """") ' do it \n}, ], [ qq{xxx can't Ignore this_sub("first", var_1, "Ignore ""can't +""", """") ' do it \n}, qq{xxx FAILED't Ignore this_sub("first", var_1, "Ignore ""ca +n't""", """") ' do it \n}, ], [ qq{xxx will Ignore't this_sub("first", var_1, "Ignore ""can' +t""", """") ' do it \n}, qq{xxx will FAILED't this_sub("first", var_1, "Ignore ""can' +t""", """") ' do it \n}, ], ) { unless (ref $ar_vector) { # really a comment in disguise? note $ar_vector; next VECTOR; } my ($string, $expected) = @$ar_vector; is replace($string), $expected, # qq{} ; } # end for VECTOR } # end for METHOD

In reply to Re: Replacing words in VB code but not strings or comments (5.8/10 versions) by AnomalousMonk
in thread Replacing words in VB code but not strings or comments by Anonymous Monk

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