urldecode - Decode a string.
urldecode("string")
This function is to to decode a string The parameters are decode according to http://en.wikipedia.org/wiki/Percent-encoding for application/x-www-form-urlencoded type.
Note: In the followings examples, the _ between the { should be removed to make it work.
res={_{urldecode('+%3F%26');}}. return res= ?&.
Written by Pierre Laplante, <laplante@sednove.com>
1.0 2014-09-09 21:24:14 laplante@sednove.com