DCL:MISC１:CHKLIB: Character Type Recognition *

4.1 Summary

This is a package containing logical functions for distinguishing character types. The following character types can be distinguished by this package.

Space: blank (hereafter represented by the symbol △).
Currency sign: $, for example, although implementation-dependencies do exist (represented by $ in the sections that follow)
Special characters: the following 13 characters △, ', (, ), *, +, ,, -, ., /, :, =, $.
Roman letters: the following 26 letters. A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z.
Numerical characters: the following 10 characters. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
Alphanumeric characters: roman letters and numerical characters
FORTRAN characters: roman letters, numerical characters, and special characters.