G'day BrowserUk,
You can use a postponed subexpression replacing [^\k<FQ>]+ with (??{"[^$+{FQ}]+"}).
It's flagged as "experimental" - that may affect your choice to use it.
Here's my test:
#!/usr/bin/env perl
use 5.010;
use strict;
use warnings;
my @test_strings = qw{""" "'" '"' ''' ""' "'' '"" ''"};
my $re = qr{ (?<FQ>"|') (??{ "[^$+{FQ}]+" }) \k<FQ> }x;
for (@test_strings) {
say "Testing [$_] : ", (/$re/ ? '' : 'no '), 'match.';
}
Output:
$ pm_re_kname_in_charclass.pl
Testing ["""] : no match.
Testing ["'"] : match.
Testing ['"'] : match.
Testing ['''] : no match.
Testing [""'] : no match.
Testing ["''] : no match.
Testing ['""] : no match.
Testing [''"] : no match.
-
Are you posting in the right place? Check out Where do I post X? to know for sure.
-
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
-
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.
|