How to remove space between period and the prior word

Question

I have the following string:

"I like dogs ." 

I want to make it to this:

"I like dogs."

How can I do this using regex? I tried to do the following but it didn't work:

  var str = " I like dogs . ";
  str = str.replace(/\s+$/g, "");

Answer 1

There's no need to make it so complicated.

> "I like dogs .".replace(/\s+\./, ".");
"I like dogs."

Answer 2

Go for the easy approach, unless you have some odd layout elsewhere.

 str = "I like dogs ."; str = str.replace(/ \\./g, '.'); console.log(str); //output: I like dogs.