/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
/* 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
	{
		String s = "My thing 0.02\nMy thing 100.2\nMy thing 65\nMy thing\n"+
					"0.03\nMy thing\n13\nMy thing\n    45.67 stuff\n";
		Matcher m = Pattern.compile("(My thing)\\s*(\\d+(?:\\.\\d+)?)").matcher(s);
		while (m.find()) {
			// Add to dictionary, group 1 is key, 2 is value
    		System.out.println("Found: " + m.group(0)+ ":" + m.group(1)+":" + m.group(2));
		}
	}
}

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