Removes tags from the given string (applying PHPs strip_tags() function)

= Examples =

<f:format.stripTags>Some Text with RouteTags and an Ümlaut.</f:format.stripTags>

Some Text with RouteTags and an Ümlaut. (strip_tags() applied. Note: encoded entities are not decoded)

{text -> f:format.stripTags()}

Text without tags (strip_tags() applied)