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RegexAdvice » Regular Expressions » Construction Advice » Re: replace string in htmlcode but not in htmltags

replace string in htmlcode but not in htmltags

Last post 11-15-2007, 8:13 AM by harakiri81. 2 replies.


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11-15-2007, 3:26 AM 36551

harakiri81
Joined on 11-15-2007
germany
Posts 3

replace string in htmlcode but not in htmltags

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hello,

i need a regex that replaces in a html source code a special word (eg. orange) but not the word in htmltags (attributes):

<html>
   <head></head>
   <body>
       this is a text without any tags! replace please the following word: orange<br>
        this is the number twentyone, this is the number twentytwo, this is the orange number twentythree!
       <image src="http://www.google.de/orange.gif" title="this is an orange" border="0"/>
       <a href="http://www.google.de/orange.php">this is a link to a orange website, please do only replace the link text but not the uri!</a>
   </body>
</html>

my first attempt was this regex:

(\>| |[$])(orange)([\.\!$\?\:\,]+| )(\>| |[$])(orange)([\.\!$\?\:\,]+| )

does not work in all conditions, would be great if someone could help me!
thanks in advance, roland

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11-15-2007, 4:30 AM 36554 in reply to 36551

harakiri81
Joined on 11-15-2007
germany
Posts 3

Re: replace string in htmlcode but not in htmltags

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i have found in another thread this solution:

(?<!<[^<>]*)orange(?![^<>]*>)

this works in my regexsoftware "RegexDesigner.net" but not in my php code:

<?php
$replacement = "ananas";
$searchtext = "orange";
$searchpattern = "(?<!<[^<>]*)orange(?![^<>]*>)";
$result = eregi_replace($searchpattern, $replacement, $searchtext)

echo $result;
?>

this brings me this error message from the php engine:
Warning: eregi_replace(): REG_BADRPT in /srv/www/htdocs/t3_flad_intranet/typo3conf/ext/page_php_content/pi1/test.php(102) : eval()'d code on line 6

is this normal? thanks

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11-15-2007, 8:13 AM 36562 in reply to 36554

harakiri81
Joined on 11-15-2007
germany
Posts 3

Re: replace string in htmlcode but not in htmltags

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in this way i found a solution:

<?php

// nur ein Beispiel:
$heuhaufen = '<a href="www.google.de/banane.aspx">ich bin eine banane, ich bin eine ananas!</a> ich bin kein tag ich bin kein tag <img src="www.google.de/banana.jpg" title="banane">';
$muster = '/banane(?=[^>]*<[^>]+>)/i';
$ersatz = 'ananas';
$ergebnis = preg_replace($muster, $ersatz, $heuhaufen);

echo $ergebnis;

?>

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