translates numbers to ordinal characters
replaces text
produces a character representation of a matrix
concatenates elementwise strings
reshapes and repeats character values
finds the lengths of character matrix elements
lists the names of arguments
produces a numeric representation of a character matrix
concatenates rows without using blank compression
concatenates rows by using blank compression
takes substrings of matrix elements
You can also call functions in Base SAS software such as those documented in the sections Character and Formatting Functions and Character String Matching Functions and Subroutines.