FileMaker Pro Custom Functions

/*Converts illegal and reserved characters in input string into URL-legal hex code. Complete table of hexadecimal codes can be found here http://www.december.com/html/spec/ascii.html Be aware that curly quotes (single and double) are high-ascii, and will not be converted with this function. If you need quotes, make sure your input is with straight quotes.*/ Substitute ( text ; [ "%" ; "%25" ] ; [ "¶" ; "%0D" ] ; [ " " ; "%20" ] ; [ "!" ; "%21" ] ; [ "\"" ; "%22" ] ; [ "#" ; "%23" ] ; [ "$" ; "%24" ] ; [ "&" ; "%26" ] ; [ "'" ; "%27" ] ; [ "(" ; "%28" ] ; [ ")" ; "%29" ] ; [ "*" ; "%2A" ] ; [ "+" ; "%2B" ] ; [ "," ; "%2C" ] ; [ "-" ; "%2D" ] ; [ "." ; "%2E" ] ; [ "/" ; "%2F" ] ; [ ":" ; "%3A" ] ; [ ";" ; "%3B" ] ; [ "<" ; "%3C" ] ; [ "=" ; "%3D" ] ; [ ">" ; "%3E" ] ; [ "?" ; "%3F" ] ; [ "@" ; "%40" ] ; [ "[" ; "%5B" ] ; [ "\\" ; "%5C" ] ; [ "]" ; "%5D" ] ; [ "^" ; "%5E" ] ; [ "`" ; "%60" ] ; [ "{" ; "%7B" ] ; [ "|" ; "%7C" ] ; [ "}" ; "%7D" ] )
 Then copy & paste into FileMaker Advanced's Edit Custom Function window.