Check String whether it contains only Latin characters?

Question

Greetings,

I am developing GWT application where user can enter his details in Japanese. But the \'userid\' and \'password\' should only contain English characters(L

Answer 1

There is my solution and it is working excellent

public static boolean isStringContainsLatinCharactersOnly(final String iStringToCheck)
{
    return iStringToCheck.matches("^[a-zA-Z0-9.]+$");
}