How to find a space between tags in atom and replace with nothing?

Question

Notepad++

hello, how to find a space between numbers in a tag in atom, for example , I
<p>123 456 789 0</p>
tried it by analogy with notepad ++ but it doesn’t work, in notepad it worked
<price>[^ <>]*\K\shere it only searches for the first gap but does not replace it
, and atom works
(\s)(\d+)if it is replaced by $ 2, but in this case everything is deleted spaces in the file between the numbers, if put like this <p>(\s)(\d+)</p>does not work, please tell me more options ..

Answer 1

\s(?=[\s\d]*<\/p>)
Or
Find: (<p>[^\s<>]*)\s
Replace:$1