Delete annoying hashtags from a string using javascript regax

Question

How to delete the whole line if it all is hashtags using JavaScript regex, for example:

text #string
#hashtag1 #hashtag2 #hashtag3

it will be:

text #string

Thank you for all answers

Answer 1

What about this?

text.replace(/^(\s*#\w+\s*)+$/gm, "")

Notice m flag there, it means 'multiline'.

Answer 2

I guess this will help

string.replace(/\#\S+/g,'');

UPD: I got you. try this:

string.replace(/(\n|^)(\#\S+\s+|\#\S+)+(\n|$)/g,'');