Determine if a string is numeric: Difference between revisions

Content added Content deleted

Inline

@@ Line 55: / Line 55: @@
  }
-Alternative 1 : Check that each character in the string is number
+Alternative 1 : Check that each character in the string is number. Note that this will only works for integers.
 private static final boolean isNumeric(final String s) {
@@ Line 68: / Line 67: @@
 }
-Alternative 2 : use a regular expression ( a more elegant solution)
+Alternative 2 : use a regular expression (a more elegant solution). Also, only for integers.
 public static boolean IsNumeric(string inputData) {
- final static Regex isNumber = new Regex(@"^\d+$");
+ final static Regex isNumber = new Regex(@"^-{0,1}\d+$");
  Match m = isNumber.Match(inputData);
  return m.Success;