urldecode
Decodes a urlencoded string
[...] = optional ... = your value
[var $... = ]call urldecode $val=...
Notes
Example code
<!--parser:xtscript-->
var $input =%21+%22%C2%A3%24%25%5E%26%2A
var $output = call urldecode $val=$input
print input = $input<br />
print output = $output
<!--/parser:xtscript-->
Show in textareaExample output
Reloadinput = %21+%22%C2%A3%24%25%5E%26%2A
output = ! "£$%^&*