Java tutorial
import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] args) { String testString = " weight 600 KG AND HEIGHT 84900 CM"; Pattern pattern = Pattern.compile("(?<=HEIGHT)\\s*([0-9]+)\\s*(?=CM)"); Matcher matcher = pattern.matcher(testString); while (matcher.find()) { System.out.println("Height: '" + matcher.group(1) + "'"); } } }