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

This should work: '$4000'.match(/^\$/).

(It looks for the $ sign at the beginning of the string)

The javascript syntax for regular expression literal uses / at the beginning and at the end of the expression.