Hi Kerry;
I noticed that too and also added the test for Thousands, we can use something like:
string strNum6 = "1.32e-5";
if (isNumeric(strNum6, NumberStyles.Number | NumberStyles.AllowExponent))
ed.WriteMessage(strNum6 + " is a number!\n");
else
ed.WriteMessage(strNum6 + " is not a number!\n");
string strNum7 = "1,200.56";
if (isNumeric(strNum7, NumberStyles.Number | NumberStyles.AllowThousands))
ed.WriteMessage(strNum7 + " is a number!\n");
else
ed.WriteMessage(strNum7 + " is not a number!\n");