Simple method to evaluate numeric values

NumericUtils.java

/**
 * Identify a numeric value.
 *
 * @param value Value to be evaluated.
 * @param digits May use digits or not.
 * @return True when the value is a numeric representation.
 */
public static boolean isNumeric(String value, boolean digits)
{
  String unmarked = value;
  if ((unmarked == null) || (unmarked.trim().length() == 0))
  {
    return false;
  }
  else
  {
    if (digits)
    {
      unmarked = unmarked.replaceAll(Pattern.quote("."), "").replaceAll(",", "").replaceAll("-", "").replaceAll(" ", "");
    }

    return (unmarked.replaceAll("\\d+", "").length() == 0);
  }
}