$("<div class='state-loading icon-32'/>").hasClass(/-loading$/)
// true
$("<div class='icon-32 icon-loading disabled'/>").removeClass(/^icon-/)
// <div class='disabled'/>
License: MIT.
$(elem).removeClass(regExp) and $(elem).hasClass(regExp)
$("<div class='state-loading icon-32'/>").hasClass(/-loading$/)
// true
$("<div class='icon-32 icon-loading disabled'/>").removeClass(/^icon-/)
// <div class='disabled'/>
License: MIT.
$(elem).removeClass(regExp) and $(elem).hasClass(regExp)
http://plugins.jquery.com/project/removeClass