regex - Regular Expression to get a string between parentheses in Javascript

Question

I am trying to write a regular expression which returns a string which is between parentheses. For example: I want to get the string which resides between the strings "(" and ")"

I expect five hundred dollars ($500).

would return

$500

Found Regular Expression to get a string between two strings in Javascript

But I'm new with regex. I don't know how to use '(', ')' in regexp

Answer 1

You need to create a set of escaped (with ) parentheses (that match the parentheses) and a group of regular parentheses that create your capturing group:

var regExp = /(([^)]+))/;
var matches = regExp.exec("I expect five hundred dollars ($500).");

//matches[1] contains the value between the parentheses
console.log(matches[1]);