/usr/lib/perl5/XML/LibXML/RegExp.pod is in libxml-libxml-perl 1.89+dfsg-1ubuntu0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | =head1 NAME
XML::LibXML::RegExp - XML::LibXML::RegExp - interface to libxml2 regular expressions
=head1 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();
=head1 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).
=over 4
=item new()
$compiled_re = XML::LibXML::RegExp->new( $regexp_str );
The constructor takes a string containing a regular expression and returns a
compiled regexp object.
=item matches($string)
$bool = $compiled_re->matches($string);
Given a string value, returns a true value if the value is matched by the
compiled regular expression.
=item 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 (L<<<<<< http://www.w3.org/TR/REC-xml/#determinism >>>>>>))
=back
=head1 AUTHORS
Matt Sergeant,
Christian Glahn,
Petr Pajas
=head1 VERSION
1.89
=head1 COPYRIGHT
2001-2007, AxKit.com Ltd.
2002-2006, Christian Glahn.
2006-2009, Petr Pajas.
=cut
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