Javascript match and extract $ symbol from a string?

Question

Currently I have:

var price = \'$4000\';
var currency = price.match([\\$]);
alert(currency);

However this doesn\'t seem to work. I would like t

Answer 1

If you want to find the dollar sign in any position use:

var currency = price.match(/\$/);

If you want to find the dollar sign at the beginning of the string use:

var currency = price.match(/^\$/);

Here's the documentation about Javascript RegExp