判断字符串是否为英文

 

public static boolean isEnglish(String word) {
	boolean isEnglish = false;

	for (int i = 0; i < word.length(); i++) {
		if (word.charAt(i) >= 0x0000 && word.charAt(i) <= 0x00ff) {
			isEnglish = true;
		} else {
			isEnglish = false;

			break;
		}
	}

	return isEnglish;
}