how to extract decimal number from string using javascript

Question

I want to extract decimal number 265.12 or 0.0 from alphanumeric string (say amount) having value $265.12+ or $265.12- or

Answer 1

Without error checks, following will do:

var string = "$123123.0980soigfusofui"
var number = parseFloat(string.match(/[\d\.]+/))

123123.098