/* package whatever; // don't place package name! */
/*
Java pattern to match ; while skipping it in &
Desired output:
Match found
there was a rat & a cat
they lived happily together.
*/
import java.util.regex.Matcher;
import java.util.regex.Pattern;
class PatternTest{
public static void main(String args[]){
	String line = "there was a rat & a cat; they lived happily together.";
	Pattern r = Pattern.compile("(?<!&[a-z]{1,4});");
	Matcher m = r.matcher(line);
	if (m.find())
		System.out.println("Match found");
	else
		System.out.println("No Match found");
 
	String[] sa = line.split("(?<!&amp);");
	for(String s : sa)
		System.out.println(s);
	}
}