How To Find DOES NOT CONTAIn or DOES CONTAIN ?

Ladies & Gentlemen,

I got this array:

$test = array('id','date_and_time','kw_1','kw_1_point','kw_2','kw_2_point','kw_3','kw_3_point','kw_4','kw_4_point');

Now I want to echo all the values that does not conatin '_point'.
So, how to do that ?

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