QRegExp Help; remove all html tag

**patrik08** · 27th July 2006, 10:48

I wand to remove all HTML tag to reformat document ...
Tidy can not make the job...

I test QString::remove & QRegExp line 10 and line 11 remove the close tag .. now i wand to remove the open tag i tested line 13 but .. remove all..
How can i make this?...

Qt Code:

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QString QLess::CleanTag( QString body )
{
    qDebug() << "### start clean tag ";
    body.replace("<br>","##break##");
    body.replace("</br>","##break##");
    body.replace("</p>","##break##");
    body.replace("</td>","##break##");
    body.remove(QRegExp("<head>(.*)</head>"));
    body.remove(QRegExp("<form(.*)</form>"));
    body.remove(QRegExp("</(div|span|tr|td|br|body|html|tt|a|strong|p)>"));
    body.remove(QRegExp("</(DIV|SPAN|TR|TD|BR|BODY|HTML|TT|A|STRONG|P)>"));
    /*body.remove(QRegExp("<(div|span|tr|td|br|body|html|tt|a|strong|p)>"));*/
    /*body.remove(QRegExp("<(div|span|tr|td|br|body|html|tt|a|strong|p)( )(.*)(!>)>"));*/
    qDebug() << "### newbody " << body; 
 return body;
}

QString QLess::CleanTag( QString body )
{
    qDebug() << "### start clean tag ";
    body.replace("<br>","##break##");
    body.replace("</br>","##break##");
    body.replace("</p>","##break##");
    body.replace("</td>","##break##");
    body.remove(QRegExp("<head>(.*)</head>"));
    body.remove(QRegExp("<form(.*)</form>"));
    body.remove(QRegExp("</(div|span|tr|td|br|body|html|tt|a|strong|p)>"));
    body.remove(QRegExp("</(DIV|SPAN|TR|TD|BR|BODY|HTML|TT|A|STRONG|P)>"));
    /*body.remove(QRegExp("<(div|span|tr|td|br|body|html|tt|a|strong|p)>"));*/
    /*body.remove(QRegExp("<(div|span|tr|td|br|body|html|tt|a|strong|p)( )(.*)(!>)>"));*/
    qDebug() << "### newbody " << body; 
 return body;
}

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**jacek** · 27th July 2006, 11:10

You need something like:

Qt Code:

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body.remove( QRegExp( "<(?:div|span|tr|td|br|body|html|tt|a|strong|p)[^>]*>", Qt::CaseInsensitive ) );

body.remove( QRegExp( "<(?:div|span|tr|td|br|body|html|tt|a|strong|p)[^>]*>", Qt::CaseInsensitive ) );

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**patrik08** · 27th July 2006, 11:22

tanks ... the open tag is going out ... now stay only...

Qt Code:

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<!--UdmComment-->

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<!--UdmComment-->

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**patrik08** · 27th July 2006, 11:46

Now is run and clean all tag:

Qt Code:

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QString QLess::CleanTag( QString body )
{
    qDebug() << "### start clean tag ";
    body.replace("<br>","##break##");
    body.replace("</br>","##break##");
    body.replace("</p>","##break##");
    body.replace("</td>","##break##");
    body.remove(QRegExp("<head>(.*)</head>"));
    body.remove(QRegExp("<form(.*)</form>"));
    body.remove( QRegExp( "<(.)[^>]*>"));
    qDebug() << "### newbody " << body; 
 return body;
}

QString QLess::CleanTag( QString body )
{
    qDebug() << "### start clean tag ";
    body.replace("<br>","##break##");
    body.replace("</br>","##break##");
    body.replace("</p>","##break##");
    body.replace("</td>","##break##");
    body.remove(QRegExp("<head>(.*)</head>"));
    body.remove(QRegExp("<form(.*)</form>"));
    body.remove( QRegExp( "<(.)[^>]*>"));
    qDebug() << "### newbody " << body; 
 return body;
}

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**jacek** · 27th July 2006, 11:53

Originally Posted by patrik08

body.remove(QRegExp("<form(.*)</form>"));

What if a page contains more than one form?

**patrik08** · 27th July 2006, 12:13

Originally Posted by jacek

What if a page contains more than one form?

I hope ... body.remove( QRegExp( "<(.)[^>]*>"));
remove 2Â° inside form tag.... but on my CMS is only News article ... to reformat color and Style... I replace new break-line and go to tidy to controll....

**jacek** · 27th July 2006, 12:20

Originally Posted by patrik08

I hope ... body.remove( QRegExp( "<(.)[^>]*>"));
remove 2Â° inside form tag....

Then you should better try your code on:
[html]text1
<form>form1</form>
text2
<form>form2</form>
text3[/html]
hint

**patrik08** · 27th July 2006, 13:40

Originally Posted by jacek

Then you should better try your code on:
[html]text1
<form>form1</form>
text2
<form>form2</form>
text3[/html]
hint

Now take moore as on form and java scripts or style...

Run so...

Qt Code:

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QString QLess::CleanTag( QString body )
{
    qDebug() << "### start clean tag "; /* &nbsp; */
    body.replace("&nbsp;"," ");
    body.replace("<br>","##break##");
    body.replace("</br>","##break##");
    body.replace("</p>","##break##");
    body.replace("</td>","##break##");
    body.remove(QRegExp("<head>(.*)</head>",Qt::CaseInsensitive));
    body.remove(QRegExp("<form(.)[^>]*</form>",Qt::CaseInsensitive));
    body.remove(QRegExp("<script(.)[^>]*</script>",Qt::CaseInsensitive));
    body.remove(QRegExp("<style(.)[^>]*</style>",Qt::CaseInsensitive));
    body.remove(QRegExp("<(.)[^>]*>"));
    body.replace("##break##","</br>");
    qDebug() << "### newbody " << body; 
 return body;
}

QString QLess::CleanTag( QString body )
{
    qDebug() << "### start clean tag "; /* &nbsp; */
    body.replace("&nbsp;"," ");
    body.replace("<br>","##break##");
    body.replace("</br>","##break##");
    body.replace("</p>","##break##");
    body.replace("</td>","##break##");
    body.remove(QRegExp("<head>(.*)</head>",Qt::CaseInsensitive));
    body.remove(QRegExp("<form(.)[^>]*</form>",Qt::CaseInsensitive));
    body.remove(QRegExp("<script(.)[^>]*</script>",Qt::CaseInsensitive));
    body.remove(QRegExp("<style(.)[^>]*</style>",Qt::CaseInsensitive));
    body.remove(QRegExp("<(.)[^>]*>"));
    body.replace("##break##","</br>");
    qDebug() << "### newbody " << body; 
 return body;
}

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html result:

Qt Code:

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text1
 
text2
 
text3

text1

text2

text3

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