javascript - javascript RegEx detect only spaces \s

Question

I am trying to detect spaces on textarea my code is following

textarea.value.replace(/\s/g, ' ');

but it detects all whitespaces and I want to detect only spaces...

is any solution??

Answer 1

textarea.value.replace(/ /g, ' ');
// that's a space ------^

Answer 2

使用文字空间，如下所示：

textarea.value.replace(/ /g, ' ');

Answer 3

用这个：

textarea.value.replace(/[ ]/g, ' ');