php 문자열 포함
$mystring = 'abc';
$findme = 'a';
$pos = strpos($mystring, $findme);
include integer php 에서 단어를 제거하는 방법
$input = "H3llo This is a? #test e3ample of a sentence-word bl&h.";
echo preg_replace('/(?=[^ ]*[^A-Za-z \'-])([^ ]*)(?:\\s+|$)/', '', $input);
This is of a sentence-word