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=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

2.0018

=head1 COPYRIGHT

2001-2007, AxKit.com Ltd.

2002-2006, Christian Glahn.

2006-2009, Petr Pajas.

=cut