public static boolean checkNum(String number) {
String rex = "^[1-9]\d*(\.\d+)?$";
Pattern p = Pattern.compile(rex);
Matcher m = p.matcher(number);
return m.find();
}
public static boolean checkNum(String number) {
String rex = "^[1-9]\d*(\.\d+)?$";
Pattern p = Pattern.compile(rex);
Matcher m = p.matcher(number);
return m.find();
}