isMixedCase property

bool get isMixedCase

Checks whether the String is consisted of both upper and lower case letters.

Example

String foo = 'Hello World';
bool isMixedCase = foo.isMixedCase; // returns true;

String foo = 'hello world';
bool isMixedCase = foo.isMixedCase; // returns false;

Implementation

bool get isMixedCase {
  if (isBlank) {
    return false;
  }
  return toUpperCase() != this && toLowerCase() != this;
}