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

Pattern Syntax Checker

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383 Discussions

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  • apisit_baworn1
     + 0 comments
    public class Solution
{
	public static void main(String[] args){
		Scanner in = new Scanner(System.in);
		while(in.hasNextLine()){
			String pattern = in.nextLine();
          	try{
              Pattern.compile(pattern);
              System.out.println("Valid");
              }
              catch(Exception e ){
                  System.out.println("Invalid");

              }
    }
    in.close();
}

    }

  • dpdebashisparida
     + 0 comments

    import java.util.Scanner; import java.util.regex.*;

    public class Solution { 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 p = Pattern.compile(pattern);
              System.out.println("Valid");
          }catch(Exception e){
              System.out.println("Invalid");
          }
          testCases--;
    }
    in.close();
}

    }

  • bhoomikachourey1
     + 0 comments

    while(testCases>0){

            String pattern = in.nextLine();
        //Write your code
          try{
              Pattern.compile(pattern);
                  System.out.println("Valid");

          }catch(PatternSyntaxException e){
                  System.out.println("Invalid");
              }
              testCases--;
    }

  • alseyit_b
     + 0 comments
    import java.util.regex .*;

public class Solution {

    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();
    }
}

  • n4m774r_d
     + 0 comments
    import java.util.Scanner;
import java.util.regex.*;

public class Solution
{
	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(Exception e){
                System.out.println("Invalid");
            }
            testCases --;
		}
	}
}