/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		String p1 = "column1 = emp_no";
 
      	String propertyRegexp = "^\\s*(\\w+)\\s*=\\s*(\\w+)\\s*$";
 
		Pattern pattern = Pattern.compile(propertyRegexp);
		Matcher matcher = pattern.matcher(p1);
		System.out.println("groupCount: " + matcher.groupCount());
		if(matcher.matches()) {
    		for(int i = 1; i <= matcher.groupCount(); i++) {  //see the changes
        		System.out.println(i + ": " + matcher.group(i));    
    		}
    	}
	}
}

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