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2 Commits
3459e91645 ... main

Author SHA1 Message Date
Kharec
da24af38e3 test: add underscores-in-words regression tests for emphasis 2025-12-11 16:38:20 +01:00
Kharec
6670e81640 feat: harden emphasis regexes to avoid matching inside words 2025-12-11 16:37:46 +01:00
2 changed files with 9 additions and 6 deletions
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8
lib/MarkdownParser.pm
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@@ -288,8 +288,8 @@ sub parse_inline {
push @bold_parts, { type => 'bold', content => $1 }; push @bold_parts, { type => 'bold', content => $1 };
return "\x01B$idx\x02"; return "\x01B$idx\x02";
}->()/ge; }->()/ge;
$text =~ s/___((?:[^_]|_(?!_))+?)___/<strong>$1<\/strong>/g; $text =~ s/(?<!\w)___((?:[^_]|_(?!_))+?)___(?!\w)/<strong>$1<\/strong>/g;
$text =~ s/__((?:[^_]|_(?!_))+?)__/<strong>$1<\/strong>/g; $text =~ s/(?<!\w)__((?:[^_]|_(?!_))+?)__(?!\w)/<strong>$1<\/strong>/g;
my @italic_parts; my @italic_parts;
my $italic_idx = 0; my $italic_idx = 0;
@@ -298,7 +298,7 @@ sub parse_inline {
push @italic_parts, { type => 'italic', content => $1 }; push @italic_parts, { type => 'italic', content => $1 };
return "\x01I$idx\x02"; return "\x01I$idx\x02";
}->()/ge; }->()/ge;
$text =~ s/_([^_]+)_/sub { $text =~ s/(?<!\w)_((?:[^_]|_(?!_))+?)_(?!\w)/sub {
my $idx = $italic_idx++; my $idx = $italic_idx++;
push @italic_parts, { type => 'italic', content => $1 }; push @italic_parts, { type => 'italic', content => $1 };
return "\x01I$idx\x02"; return "\x01I$idx\x02";
@@ -312,7 +312,7 @@ sub parse_inline {
push @italic_parts, { type => 'italic', content => $1 }; push @italic_parts, { type => 'italic', content => $1 };
return "\x01I$idx\x02"; return "\x01I$idx\x02";
}->()/ge; }->()/ge;
$content =~ s/_([^_]+)_/sub { $content =~ s/(?<!\w)_((?:[^_]|_(?!_))+?)_(?!\w)/sub {
my $idx = $italic_idx++; my $idx = $italic_idx++;
push @italic_parts, { type => 'italic', content => $1 }; push @italic_parts, { type => 'italic', content => $1 };
return "\x01I$idx\x02"; return "\x01I$idx\x02";

7
t/03-formatting.t
View File

@@ -2,7 +2,7 @@
use strict; use strict;
use warnings; use warnings;
use Test::More tests => 11; use Test::More tests => 13;
use MarkdownParser; use MarkdownParser;
my $parser = MarkdownParser->new(); my $parser = MarkdownParser->new();
@@ -62,4 +62,7 @@ is(
"<p><strong>bold text</strong></p>\n", "<p><strong>bold text</strong></p>\n",
"Bold with ___" "Bold with ___"
); );
is( $parser->parse("my_variable"),
"<p>my_variable</p>\n", "Underscore inside word unchanged" );
is( $parser->parse("CONST__VALUE"),
"<p>CONST__VALUE</p>\n", "Double underscores inside word unchanged" );