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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qregexp.h</h1>

<p>This is the verbatim text of the qregexp.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qregexp.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QRegExp class
**
** Created : 950126
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file.  Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef QREGEXP_H
#define QREGEXP_H

#ifndef QT_H
#include "qstringlist.h"
#endif // QT_H

#ifndef QT_NO_REGEXP
class QRegExpEngine;
struct QRegExpPrivate;

class Q_EXPORT QRegExp
{
public:
    enum CaretMode { CaretAtZero, CaretAtOffset, CaretWontMatch };

    QRegExp();
    QRegExp( const QString&amp; pattern, bool caseSensitive = TRUE,
	     bool wildcard = FALSE );
    QRegExp( const QRegExp&amp; rx );
    ~QRegExp();
    QRegExp&amp; operator=( const QRegExp&amp; rx );

    bool operator==( const QRegExp&amp; rx ) const;
    bool operator!=( const QRegExp&amp; rx ) const { return !operator==( rx ); }

    bool isEmpty() const;
    bool isValid() const;
    QString pattern() const;
    void setPattern( const QString&amp; pattern );
    bool caseSensitive() const;
    void setCaseSensitive( bool sensitive );
#ifndef QT_NO_REGEXP_WILDCARD
    bool wildcard() const;
    void setWildcard( bool wildcard );
#endif
    bool minimal() const;
    void setMinimal( bool minimal );

    bool exactMatch( const QString&amp; str ) const;
#ifndef QT_NO_COMPAT
    int match( const QString&amp; str, int index = 0, int *len = 0,
	       bool indexIsStart = TRUE ) const;
#endif

#if defined(Q_QDOC)
    int search( const QString&amp; str, int offset = 0,
		CaretMode caretMode = CaretAtZero ) const;
    int searchRev( const QString&amp; str, int offset = -1,
		   CaretMode caretMode = CaretAtZero ) const;
#else
    // ### Qt 4.0: reduce these four to two functions
    int search( const QString&amp; str, int offset = 0 ) const;
    int search( const QString&amp; str, int offset, CaretMode caretMode ) const;
    int searchRev( const QString&amp; str, int offset = -1 ) const;
    int searchRev( const QString&amp; str, int offset, CaretMode caretMode ) const;
#endif
    int matchedLength() const;
#ifndef QT_NO_REGEXP_CAPTURE
    int numCaptures() const;
    QStringList capturedTexts();
    QString cap( int nth = 0 );
    int pos( int nth = 0 );
    QString errorString();
#endif

    static QString escape( const QString&amp; str );

private:
    void prepareEngine() const;
    void prepareEngineForMatch( const QString&amp; str ) const;
    void invalidateEngine();

    static int caretIndex( int offset, CaretMode caretMode );

    QRegExpEngine *eng;
    QRegExpPrivate *priv;
};
#endif // QT_NO_REGEXP
#endif // QREGEXP_H
</pre>
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