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Manual Reference Pages  -  XML::LIBXML::REGEXP (3)

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NAME

XML::LibXML::RegExp - XML::LibXML::RegExp - interface to libxml2 regular expressions

CONTENTS

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

2.0124

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.
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perl v5.20.3 XML::LIBXML::REGEXP (3) 2016-02-27

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