PHP Check Word Exist in String or Not Example

I want to share this posts because when i was working in my laravel application i need to find word from string, I mean check string contains word or not but i try to do, at last i found two way we can check easily. First one using preg_match and other one strpos() of php predefine. if you have question how to php regular expression match word then you can do this way:

Example 1:

<?php
  
    $str = "Hi, I am from itsolutionstuff.com";
  
    if (strpos($str, "from") !== false) {
        print_r("Yes, exists");
    }
  
?>

Example 2:

$str = "Hi, I am from itsolutionstuff.com";
<?php
  
    $result = preg_match("from", $str);
  
    if($result == 1){
        print_r("Yes, exists");
    }
  
?>

I hope it can help you...