BEGIN{ $ENV{STRING_DIFF_PP} = 1; }
use strict;
use utf8;
use Test::Base;

use String::Diff qw( diff_regexp );

filters { data1 => [qw/ chomp quote_filter /], data2 => [qw/ yaml string_diff /] };

sub string_diff {
    my $input = shift;
    diff_regexp($input->{old}, $input->{new}, %{ $input->{options} });
}

sub quote_filter {
    my $str = shift;
    $str =~ s{(['; /\n\.])}{\\$1}g;
    $str;
}

run_is;

__END__

===
--- data1
pe(?:a)rl
--- data2
old: perl
new: pearl

===
--- data1
th(?:i|at')s (?:is )a(?: pen|ll)
--- data2
old: this is a pen
new: that's all

===
--- data1
(?:S|B)oo(?:z|f)y
--- data2
old: Soozy
new: Boofy

===
--- data1
(?:あ|いつもい)る(?:晴れた日に散歩をすると|人がいないので)！そ(?:こに|れ)は
--- data2
old: ある晴れた日に散歩をすると！そこには
new: いつもいる人がいないので！それは

===
--- data1
This library is (?:free software|自由なソフト); you can (?:not )redistribute it (?:or/)and(?:/or) modify
it under the same terms as Pe(?:a)rl it(?: )self.
--- data2
old: |-
  This library is free software; you can redistribute it and/or modify
  it under the same terms as Perl itself.
new: |-
  This library is 自由なソフト; you can not redistribute it or/and modify
  it under the same terms as Pearl it self.

===
--- data1
This library is (?:free software|自由なソフト); you can (?:not )redistribute it (?:or/)and(?:/or) modify(?:
| )it under the same terms as Pe(?:a)rl it(?: )self.
--- data2
old: |-
  This library is free software; you can redistribute it and/or modify
  it under the same terms as Perl itself.
new: This library is 自由なソフト; you can not redistribute it or/and modify it under the same terms as Pearl it self.

===
--- data1
(?:remove
)This library is (?:free software|自由なソフト); you can (?:not )redistribute it (?:or/)and(?:/or) modify
\(snip\)
it under the same terms as Pe(?:a)rl it(?: )self.(?:
append)
--- data2
old: |-
  remove
  This library is free software; you can redistribute it and/or modify
  (snip)
  it under the same terms as Perl itself.
new: |-
  This library is 自由なソフト; you can not redistribute it or/and modify
  (snip)
  it under the same terms as Pearl it self.
  append

===
--- data1
This library is (?:free software|自由なソフト); you can (?:not )redistribute it (?:or/)and(?:/or) modify
it under the same terms as Pe(?:a)rl it(?: )self.
--- data2
old: |-
  This library is free software; you can redistribute it and/or modify
  it under the same terms as Perl itself.
new: |-
  This library is 自由なソフト; you can not redistribute it or/and modify
  it under the same terms as Pearl it self.
options:
  linebreak: 1

===
--- data1
(?:This lib)r(?:ary is 自由なソフト; you can not r)e(?:distribute it or/and )mo(?:ve|dify)
(?:This library is free software; you can redistribute it and/or modify)(?:
)\(snip\)
it under the same terms as Pe(?:a)rl it(?: )self.(?:
)(?:append)
--- data2
old: |-
  remove
  This library is free software; you can redistribute it and/or modify
  (snip)
  it under the same terms as Perl itself.
new: |-
  This library is 自由なソフト; you can not redistribute it or/and modify
  (snip)
  it under the same terms as Pearl it self.
  append
options:
  linebreak: 1

===
--- data1
1(?:0|1)
--- data2
old: 10
new: 11