JavaScript Decimal Place Restriction With RegEx

Question

I have some client-side validation against a text box, which only allows numbers up to two decimal places with no other input.

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Answer 1

You could use a javascript function instead of regex

function IsValid(value) {
    var split = value.split('.');

    if (split.length != 2) {
        return false;
    }
    else if (split[1].length > 2 || !Number(split[1])) {
        return false;
    }
    else if (!(split[0] == '' || split[0] == '0')) {
        return false;
    }

    return true;
}