Description
Returns "true" if the provided argument str is a string containing only letters.
Parameters
Return Type
Boolean (true/false)
Examples
Example 1
wret = isAlpha("foobar");
print(wret);
Print true
Example 2
wret = isAlpha("aaa2345f.ff");
print(wret);
Print false
Example 3
wret = isAlpha("Once upon a time... !");
print(wret);
Print false
IsAlpha returns "false" if the character string str contains blanks or special characters.