ESLSTR Subroutine
Determine whether the characters in a string are alphanumerics or punctuation marks.
call IsAlphaNumericOrPunc(STRING_SV, RETURN_BV)
STRING_SV
The string whose characters you want examined.
RETURN_BV
The identifier for a boolean variable to hold the result of this operation.
Description
Use this subroutine to determine whether all the characters in STRING_SV are either alphanumeric characters or punctuation marks (!, ., ?, etc.). The subroutine uses RETURN_BV to return true (1) if all the characters are either alphanumerics or punctuation and false (0) if not.
See Also
IsAlphaNumericOrPuncFunction( ) Function