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# Compatibility Members for QRegExp

The following class members are part of the Qt 3 compatibility layer. They are provided to help you port old code to Qt 4. We strongly advise against using them in new code.

QRegExp class reference

### Public Functions

- QRegExp ( const QString & pattern, bool cs, bool wildcard = false )
- bool caseSensitive () const
- bool minimal () const
- int search ( const QString & str, int from = 0, CaretMode caretMode = CaretAtZero ) const
- int searchRev ( const QString & str, int from = -1, CaretMode caretMode = CaretAtZero ) const
- void setCaseSensitive ( bool sensitive )
- void setWildcard ( bool wildcard )
- bool wildcard () const

## Member Function Documentation

### QRegExp::QRegExp ( const QString & pattern, bool cs, bool wildcard = false )

Use another constructor instead.

For example, if you have code like

        QRegExp rx("*.txt", false, true);

you can rewrite it as

        QRegExp rx("*.txt", Qt::CaseInsensitive, QRegExp::Wildcard);

### bool QRegExp::caseSensitive () const

Use caseSensitivity() instead.

### bool QRegExp::minimal () const

Use isMinimal() instead.

### int QRegExp::search ( const QString & str, int from = 0, CaretMode caretMode = CaretAtZero ) const

Use indexIn() instead.

### int QRegExp::searchRev ( const QString & str, int from = -1, CaretMode caretMode = CaretAtZero ) const

Use lastIndexIn() instead.

### void QRegExp::setCaseSensitive ( bool sensitive )

Use setCaseSensitivity() instead.

### void QRegExp::setWildcard ( bool wildcard )

Use setPatternSyntax() instead.

For example, if you have code like

        rx.setWildcard(wc);

you can rewrite it as

        rx.setPatternSyntax(wc ? QRegExp::Wildcard : QRegExp::RegExp);

### bool QRegExp::wildcard () const

Use patternSyntax() instead.

For example, if you have code like

        bool wc = rx.wildcard();

you can rewrite it as

        bool wc = (rx.patternSyntax() == QRegExp::Wildcard);