Java Pattern flags() Method

The flag method of pattern class returns matcher flags of this pattern.

Syntax

Returns

The match flags specified when this pattern was compiled.

Example 1

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class PatternFlagsExample1 {
		private static final String REGEX = "[A-Z]";
		   private static final String INPUT = "This is sample program";
		   public static void main(String[] args) {
		      //  pattern creation
		      Pattern p = Pattern.compile(REGEX,Pattern.CASE_INSENSITIVE|Pattern.COMMENTS);
		      System.out.println("Value of flag : "+p.flags());
		      
		   }
	}

Test it Now

Output:

Value of flag : 6

Example 2

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PatternFlagsExample2 {
		private static final String REGEX = "(a*m)(pl)";
	private static final String INPUT = "This is a sample java Program 123.";
		   public static void main(String[] args) {
		      // pattern creation
		      Pattern p = Pattern.compile(REGEX,Pattern.COMMENTS);
		      // get a matcher object
		      Matcher m = p.matcher(INPUT); 
		      System.out.println("Value of flag : "+p.flags());
		 }
	}

Test it Now

Output: