java中正则匹配

//匹配手机号
public static boolean isTelephone(String tele){
		if (tele.isEmpty()) {
			return false;
		}
		if (tele.matches("^0?1[0-9]{10}$")) {
			return true;
		}
		return false;
	}
	
//匹配数字
	public static boolean isNumber(String num){
		if (num.isEmpty()) {
			return false;
		}
		if (num.matches("^[1-9]\\d+$")) {
			return true;
		}
		return false;
	}
	
//匹配电子邮箱
	public static boolean isEmail(String email){
		if (email.isEmpty()) {
			return false;
		}
		if (email.matches("^[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[\\w](?:[\\w-]*[\\w])?$")) {
			return true;
		}
		return false;
	}