Using printf within the substitution:

#! perl
use strict;
use warnings;

while (<DATA>)
{
    chomp;
    s[\s(\d+)\d\K\s(?=(\d+)\d\s)]
    {
        printf("%s: (%s) (%s)\n", $_, $1, $2);
    }ge;
}

__DATA__
105 106 107 108 109 110 111 112 113
1115 1116 1117 1118 1119 1120 1121 1122 1123
12345 12346 12347 12348 12349 12350 12351 12353

[download]

gives:

20:32 >perl 687_SoPW.pl
105 106 107 108 109 110 111 112 113: (10) (10)
105 106 107 108 109 110 111 112 113: (10) (10)
105 106 107 108 109 110 111 112 113: (11) (11)
1115 1116 1117 1118 1119 1120 1121 1122 1123: (111) (111)
1115 1116 1117 1118 1119 1120 1121 1122 1123: (111) (111)
1115 1116 1117 1118 1119 1120 1121 1122 1123: (112) (112)
12345 12346 12347 12348 12349 12350 12351 12353: (1234) (1234)
12345 12346 12347 12348 12349 12350 12351 12353: (1234) (1234)
12345 12346 12347 12348 12349 12350 12351 12353: (1235) (1235)

20:32 >

[download]

which seems to show that each comparison is consuming three terms from the data line, instead of one. I don’t understand why this is, but I’m posting in the hope that it provides someone with a useful clue as to what is going on. :-)

Athanasius <°(((>< contra mundum Iustus alius egestas vitae, eros Piratica,

In reply to Re: Why doesn't this regex work? by Athanasius
in thread Why doesn't this regex work? (Solved!) by BrowserUk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.