in reply to wiki regex reprocessing replacement
> I'll update an SSCCE soon.
here we go
(update: please see Re: wiki regex reprocessing replacement (UPDATED^2) for better testcases including wrong markup)
use strict; use warnings; use Data::Dump qw/pp dd/; use Test::More; my $wiki = '_/one *two*/ three_ null _/four *five*/ six_ null _/seven *eight +*/ nine_'; my $expected = '<u><i>one <b>two</b></i> three</u> null <u><i>four <b>five</b></i +> six</u> null <u><i>seven <b>eight</b></i> nine</u>'; my $pre = qr/(^|\s|>)/; my $post = qr/($|\s|<)/; my %h = ( '*' => 'b' , '/' => 'i' , '_' => 'u' , ); sub tf { s{ $pre ([_*/]) (.*?) \2 (?=$post)}{$1<$h{$2}>$3</$h{$2}>}xg +}; $_=$wiki; my $DBG = 1; diag "IN <= '$wiki'\n\n" if $DBG; for my $i (1..3) { tf(); diag "$i: '$_'\n\n" if $DBG; } is($_,$expected," repeated replace works"); done_testing;
# IN <= '_/one *two*/ three_ null _/four *five*/ six_ null _/seven *e +ight*/ nine_' # # 1: '<u>/one *two*/ three</u> null <u>/four *five*/ six</u> null <u> +/seven *eight*/ nine</u>' # # 2: '<u><i>one *two*</i> three</u> null <u><i>four *five*</i> six</u> + null <u><i>seven *eight*</i> nine</u>' # # 3: '<u><i>one <b>two</b></i> three</u> null <u><i>four <b>five</b></ +i> six</u> null <u><i>seven <b>eight</b></i> nine</u>' # ok 1 - repeated replace works 1..1# IN <= '_/one *two*/ three_ null _/four *five*/ six_ null _/seven *eight*/ nine_' # # 1: '/one *two*/ three null /four *five*/ six null /seven *eight*/ nine' # # 2: 'one *two* three null four *five* six null seven *eight* nine' # # 3: 'one two three null four five six null seven eight nine' # ok 1 - repeated replace works 1..1
Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery
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Re^2: wiki regex reprocessing replacement
by hippo (Bishop) on Feb 15, 2020 at 16:59 UTC | |
by LanX (Saint) on Feb 15, 2020 at 17:12 UTC | |
by hippo (Bishop) on Feb 15, 2020 at 18:16 UTC |
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