class="article_content clearfix">
class="htmledit_views">
public class Test {
public static void main(String[] args) {
String a = "-1";
Pattern p = Pattern.compile("[0-9]*|-[0-9]*");
Matcher m = p.matcher(a);
boolean b = m.matches();
System.out.println(b);
}
}
判断是否是多个整数或负数
public static void main(String[] args) {
String a = "-1";
Pattern p = Pattern.compile("[0-9]*|-[0-9]*");
Matcher m = p.matcher(a);
boolean b = m.matches();
System.out.println(b);
}
}
判断是否是多个整数或负数
