javascript - Better Way to Escape Dollar Signs in the String Used By String.prototype.replace

Question

I want to replace a string by another. I found when the replaceValue contains \"$\", the replace will fail. So I am trying to escape \"$\" by

Answer 1

There is a way to call replace that allows us not to worry about escaping anything.

var str = ..., reg = ...;
function replaceString(replaceValue) {
  return str.replace(reg, function () { return replaceValue });
}