Please enable JavaScript to view this site.

ESL Documentation

ESLSTR Function

Determine whether the characters in a string are alphanumerics or punctuation marks.

IsAlphaNumericOrPuncFunction(STRING_SV)

STRING_SV

The string whose characters you want examined.

Description

Use this function to determine whether all the characters in STRING_SV are either alphanumeric characters or punctuation marks (!, ., ?, etc.). The function returns the boolean value true (1) if they are and false (0) if not.

See Also

IsAlphaNumericOrPunc( ) Subroutine