isUpperCase

isUpperCase(string) → boolean · String

Returns true if all alphabetic characters in the string are uppercase. Non-alphabetic characters are ignored.

• string (required): string to test

isUpperCase("HELLO")                     // true
isUpperCase("Hello")                     // false
isUpperCase("ABC123")                    // true (digits ignored)
{
  isUpper: isUpperCase($input.countryCode)
}