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  1. Prepare
  2. Java
  3. Strings
  4. Pattern Syntax Checker
  5. Discussions

Pattern Syntax Checker

  • Prince_R
     + 0 comments

    import java.util.Scanner; import java.util.regex.; / * @Author : Rehan */ public class SolutionDump { public static void main(String[] args){ Scanner in = new Scanner(System.in); int testCases = Integer.parseInt(in.nextLine());

        while(testCases>0){
        String pattern = in.nextLine();
        try{
            Pattern.compile(pattern);
            System.out.println("Valid");
        }catch(PatternSyntaxException e){
            System.out.println("Invalid");
        }
        testCases--; 
    }
    in.close();
}

    }