Question

java用正则表达式判断程序接收的字符串是否符合手机号的格式,在下面修改

class Test{
public static void main(String[] args)
{
if(args.length<=0) return;
String pattern=" ";
System.out.println(args[0].matches(pattern));
}
}

Answer 1

public class Test
{
	public static void main ( String[] args )
	{
		if (args.length <= 0)
		{
			return;
		}
		String pattern = "^(13[0-9]|15[01]|153|15[6-9]|180|18[23]|18[5-9])\\d{8}$";
		System.out.println (args[0].matches (pattern));
	}
}

Answer 2

String pattern="^1[3458]\\d{9}$";