compute the characters present in a string
Support( s )
The Support(s) command computes the characters present in the input string s, and returns a string consisting of these characters, each occurring once, in byte value order.
All of the StringTools package commands treat strings as (null-terminated) sequences of 8-bit (ASCII) characters. Thus, there is no support for multibyte character encodings, such as unicode encodings.
Download Help Document