isLower
Syntax
isLower(X)
Arguments
X is a STRING scalar or vector.
Details
Check whether all the case-based characters (letters) of the string are lowercase.
Examples
$ isLower("this is string example....wow!!!");
true
$ isLower("THIS is string example....wow!!!");
false
$ isLower("123456abc");
true
$ isLower("123");
false
$ isLower([" ",string()]);
[false,false]