isLower

Syntax

isLower(X)

Details

Check whether all the case-based characters (letters) of the string are lowercase.

Parameters

X is a STRING scalar or vector.

Returns

  • When X is a scalar, it returns a Boolean scalar.
  • When X is a vector, it returns a Boolean vector.
  • When X is a table, it returns a table.

Examples

isLower("this is string example....wow!!!");
// output: true

isLower("THIS is string example....wow!!!");
// output: false

isLower("123456abc");
// output: true

isLower("123");
// output: false

isLower(["  ",string()]);
// output: [false,false]

Related funcitons: isUpper, isTitle