Change 17710 by [EMAIL PROTECTED] on 2002/08/12 11:17:21
Subject: [PATCH] pod/perlfaq4.pod
From: Abigail <[EMAIL PROTECTED]>
Date: Tue, 30 Jul 2002 09:52:02 -0700 (17:52 BST)
Message-id: <[EMAIL PROTECTED]>
Add references to Regexp::Common.
Affected files ...
.... //depot/perl/pod/perlfaq4.pod#77 edit
Differences ...
==== //depot/perl/pod/perlfaq4.pod#77 (text) ====
Index: perl/pod/perlfaq4.pod
--- perl/pod/perlfaq4.pod#76~16960~ Sat Jun 1 08:30:10 2002
+++ perl/pod/perlfaq4.pod Mon Aug 12 04:17:21 2002
@@ -575,8 +575,9 @@
characters, a pattern like C</x([^x]*)x/> will get the intervening
bits in $1. For multiple ones, then something more like
C</alpha(.*?)omega/> would be needed. But none of these deals with
-nested patterns, nor can they. For that you'll have to write a
-parser.
+nested patterns. For balanced expressions using C<(>, C<{>, C<[>
+or C<< < >> as delimiters, use the CPAN module Regexp::Common, or see
+L<perlre/(??{ code })>. For other cases, you'll have to write a parser.
If you are serious about writing a parser, there are a number of
modules or oddities that will make your life a lot easier. There are
@@ -1926,7 +1927,9 @@
You can also use the L<Data::Types|Data::Types> module on
the CPAN, which exports functions that validate data types
-using these and other regular expressions.
+using these and other regular expressions, or you can use
+the C<Regexp::Common> module from CPAN which has regular
+expressions to match various types of numbers.
If you're on a POSIX system, Perl's supports the C<POSIX::strtod>
function. Its semantics are somewhat cumbersome, so here's a C<getnum>
End of Patch.
