package train;
import java.util.regex.*;
    public class Test {
        public static void main(String[] args) {
            Pattern p;//定义一个模式对象
            Matcher m;//定义一个匹配对象
            String regex = "[1-9][0-9]*[.]?[0-9]*";
            p = Pattern.compile(regex);//初始化模式对象
            String s = "Price:123.456$,weight:234.78,height:83";
            m = p.matcher(s);//初始化匹配对象
            while (m.find()) {
                String str = m.group();
                System.out.println("从" + m.start() + "到" + m.end() + "匹配模式子序列：");
                System.out.println(str);
            }
        }
    }