Remove entire word if the word contains specific string

[daisyradical]

I would like to do the following, preferably with PHP:Remove an entire word if a part of the word contains a specific string. This should be case insensitive and work multiple times, e.g. on a large text.Pseudo-code:match = "www."lots_of_random_text = "... hello and welcome to www.stackoverflow.com! blah blah"result = magic_function(lots_of_random_text, "www.")result should now equal to: "... hello and welcome to blah blah".How would I do this the most efficient way?