如何删除句号和前一个单词之间的空格

Question

I have the following string:我有以下字符串：

"I like dogs ."

I want to make it to this:我想做到这一点：

"I like dogs."

How can I do this using regex?我怎样才能使用正则表达式做到这一点？ I tried to do the following but it didn't work:我尝试执行以下操作，但没有奏效：

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

Answer 1

There's no need to make it so complicated.没有必要让它变得如此复杂。

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

Answer 2

Go for the easy approach, unless you have some odd layout elsewhere.选择简单的方法，除非您在其他地方有一些奇怪的布局。

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