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]

Related funcitons: isUpper, isTitle