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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2018-2023 Saxonica Limited
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// This Source Code Form is "Incompatible With Secondary Licenses", as defined by the Mozilla Public License, v. 2.0.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
 * 

This package contains the code to map XML Schema and XPath regular expressions * to a regular expression engine of the underlying Java platform.

*

Most of the classes implement a regular expression engine derived from Apache's Jakarta * project. The code of Jakarta has been modified so that the regular expressions implement * the syntax of XSD/XPath regular expressions. There have also been extensive changes * for performance reasons

*

In addition, there are classes to provide direct access to the native JDK * regular expression engine. The flags value ";j" may be used to select this * engine. The resulting syntax/semantics will not be an exact match to the XPath * definition.

*

Users should not normally need to use these classes directly.

*

Earlier versions of Saxon included a translator from XPath regular expressions * to Java regular expressions, based on that produced by James Clark. This * mechanism is no longer used.

*/ package net.sf.saxon.regex;




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