core-java-practice/Exp.java at master · arpit728/core-java-practice · GitHub

14 lines (14 loc) · 512 Bytes

import java.util.regex.*;

import java.util.Scanner;

class Exp

{

public static void main(String args[])

{

String s;

Scanner sc=new Scanner(System.in);

System.out.println(Pattern.matches("[a-zA-Z0-9]{6}", sc.next()));//true

System.out.println(Pattern.matches("[a-zA-Z0-9]{6}", "kkvarun32"));//false (more than 6 char)

System.out.println(Pattern.matches("[a-zA-Z0-9]{6}", "JA2Uk2"));//true

System.out.println(Pattern.matches("[a-zA-Z0-9]{6}", "arun$2"));//false ($ is not matched)

}

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