private boolean isNumeric(String str) {
Pattern pattern = Pattern.compile("^(-?//d+)(//.//d+)?$");
Matcher isNum = pattern.matcher(str);
if (!isNum.matches()) {
return false;
}
return true;
}
private boolean isNumeric(String str) {
Pattern pattern = Pattern.compile("^(-?//d+)(//.//d+)?$");
Matcher isNum = pattern.matcher(str);
if (!isNum.matches()) {
return false;
}
return true;
}