Decimal in javascript

Question

The text box should accept onli decimal values in javascript. Not any other special characters. It should not accept "." more than once. For ex. it should not accept 6.....12 Can anybody help???

Answer 1

You can use regex:

function IsDecimal(str)
{
    mystring = str;
    if (mystring.match(/^\d+\.\d{2}$/ ) ) {
        alert("match");
    }
    else
    {
    alert("not a match");
    }
}

http://www.eggheadcafe.com/community/aspnet/3/81089/numaric-validation.aspx