C++/Qt/QRegExp

Use QRegExp to match phone numbers

<source lang="cpp">

Foundations of Qt Development\Chapter03\regexp\main.cpp /*

* Copyright (c) 2006-2007, Johan Thelin
* 
* All rights reserved.
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1. include <QApplication>
2. include <QRegExp>
3. include <QtDebug>

int main( int argc, char **argv ) {

 QApplication app( argc, argv );
 QRegExp re("^\\+\\d{1,2}\\([089]\\)\\d{2,5}\\-\\d+$");
 
 qDebug() << re.indexIn("+46(0)31-445566");      // 0
 qDebug() << re.indexIn("Tel: +46(0)31-445566"); // -1
 qDebug() << re.indexIn("(0)31-445566");         // -1
 QRegExp reCap("^\\+(\\d{1,2})\\(([089])\\)(\\d{2,5})\\-(\\d+)$");
 
 qDebug() << reCap.indexIn("+46(0)31-445566");   // 0
 qDebug() << reCap.cap(0);  // "+46(0)31-445566"
 qDebug() << reCap.cap(1);  // "46"
 qDebug() << reCap.cap(2);  // "0"
 qDebug() << reCap.cap(3);  // "31"
 qDebug() << reCap.cap(4);  // "445566"
 return 0;

}

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