Revision: 43216
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at March 19, 2011 07:30 by anagaiyahoocom
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//Testing for html in input box value
//e.g. '<script>' will validate true and be unsafe for processing
alert(/^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/.test($j('#sometxt').val()) ? 'unsafe' : 'safe');
<input type="text" id="sometxt" \>
//For PHP. Will validate to true and unsafe
$val = '<script>do.bad();</script>';
$patt = "/^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/";
echo preg_match($patt,$val) ? 'unsafe' : 'safe';
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Use this to validate if input has html elements
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Testing for HTML Text Using Regular Expression
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javascript
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JavaScript