javascript get string before a character

Question

I have a string that and I am trying to extract the characters before the quote.

Example is extract the 14 from 14\' - €14.99

I

Answer 1

Nobody seems to have presented what seems to me as the safest and most obvious option that covers each of the cases the OP asked about so I thought I'd offer this:

function getCharsBefore(str, chr) {
    var index = str.indexOf(chr);
    if (index != -1) {
        return(str.substring(0, index));
    }
    return("");
}