HR자바 Pattern Syntax Checker

개요

HR자바 Pattern Syntax Checker

• https://www.hackerrank.com/challenges/pattern-syntax-checker/problem

해커랭크 Java

#	문제	비고
HR자바 Strings e
14	HR자바 Java Strings Introduction
15	HR자바 Java Substring
16	HR자바 Java Substring Comparisons
17	HR자바 Java String Reverse
18	HR자바 Java Anagrams
19	HR자바 Java String Tokens
20	HR자바 Pattern Syntax Checker
21	HR자바 Java Regex
22	HR자바 Java Regex 2 - Duplicate Words
23	HR자바 Valid Username Regular Expression
24	HR자바 Tag Content Extractor

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Java

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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();
          	//Write your code
            try {
                Pattern.compile(pattern);
                System.out.println("Valid");
            }
            catch (PatternSyntaxException exception) {
                System.out.println("Invalid");
            }
		}
	}
}