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( #3333=superdoc: print w/replies, xml ) Need Help??
> PS: beautifying with /x modifier and adding missing ; in replacement left for the interested reader. :)

well since my editor has a (mostly functioning) cperl-beautify-regexp

use v5.12; use warnings; use Test::More; my $str = '43:1:1; 43:1:2; 43:1:3; 43:1:4; 43:1:5; 43:1:6; 27:3:7; 27: +3:8; 27:3:9; 65:1:4; 65:1:18'; my $exp = '43:1:1-6; 27:3:7-9; 65:1:4; 65:1:18'; my $got = $str; $got =~ s/ ( \d+:\d+: ) # $1 ( \d+ # (updated +) ) # $2 = first $^N ; (?: # group w/o match \s \1 ( (??{ $^N+ 1 }) # include last_match + 1 ) # $3 = next $^N ; )+ # repeat /$1$2-$3;/xg; is($got, $exp, "fits"); done_testing;

Worth noting that the OP was wrong with his expectation, it's 43:1:1-6; not 43:1:1-5;

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

PS: still not perfect, because the input isn't terminated with a semicolon, but I'm tired now. :)

In reply to Re^3: Regexp substitution on variable-length ranges with embedded code? ( $^N ) by LanX
in thread Regexp substitution on variable-length ranges with embedded code? by Polyglot

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