How to get words starting with # and remove from string

Question

$query = "Hello #world What's #up"
$newquery = "Hello, What's"

So basically I wan't to remove the words starting with # .

Answer 1

Try this:

$query = "Hello #world What's #up";
$newquery = preg_replace('/#[^\s]+/', '', $query);
echo $newquery;

Answer 2

使用preg_replace（） 。

$newquery = preg_replace('/#[^\s]+/', '', $query);