12-17-2012
You are better off using
XML::Parser - search.cpan.org
to parse xml.
It is somewhat complex, but it will handle correctly formed XML strings.
What if for some valid reason some "field" you expect to key off of is missing? grep may break. An xml parser won't.
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LEARN ABOUT MOJAVE
xml::libxml::regexp
XML::LibXML::RegExp(3) User Contributed Perl Documentation XML::LibXML::RegExp(3)
NAME
XML::LibXML::RegExp - XML::LibXML::RegExp - interface to libxml2 regular expressions
SYNOPSIS
use XML::LibXML;
my $compiled_re = XML::LibXML::RegExp->new('[0-9]{5}(-[0-9]{4})?');
if ($compiled_re->isDeterministic()) { ... }
if ($compiled_re->matches($string)) { ... }
$compiled_re = XML::LibXML::RegExp->new( $regexp_str );
$bool = $compiled_re->matches($string);
$bool = $compiled_re->isDeterministic();
DESCRIPTION
This is a perl interface to libxml2's implementation of regular expressions, which are used e.g. for validation of XML Schema simple types
(pattern facet).
new()
$compiled_re = XML::LibXML::RegExp->new( $regexp_str );
The constructor takes a string containing a regular expression and returns a compiled regexp object.
matches($string)
$bool = $compiled_re->matches($string);
Given a string value, returns a true value if the value is matched by the compiled regular expression.
isDeterministic()
$bool = $compiled_re->isDeterministic();
Returns a true value if the regular expression is deterministic; returns false otherwise. (See the definition of determinism in the XML
spec (<http://www.w3.org/TR/REC-xml/#determinism>))
AUTHORS
Matt Sergeant, Christian Glahn, Petr Pajas
VERSION
2.0110
COPYRIGHT
2001-2007, AxKit.com Ltd.
2002-2006, Christian Glahn.
2006-2009, Petr Pajas.
LICENSE
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.18.2 2014-02-01 XML::LibXML::RegExp(3)