Use escape codes to substitute for reserved characters when specifying a variable identifier URL. The following table includes the escape codes for each reserved character.

Note The set of reserved characters for variable identifier URLs is slightly different than the set of reserved characters specified by the Uniform Resource Identifier (URI) Generic Syntax specification (RFC 3986).
Character Escape Code
# %23
% %25
[ %5B
] %5D
; %3B
⁄ %2F
? %3F
: %3A
@ %40
& %26
$ %24
! %21
* %2A
+ %2B
= %3D