how to find string and echo using preg_match in php code example

Example 1: preg_match in php

<?php
$my_email = "[email protected]";
if (preg_match("/^[a-zA-Z0-9._-]+@[a-zA-Z0-9-]+\.[a-zA-Z.]{2,5}$/", $my_email)) {
echo "$my_email is a valid email address";
}
else
{
  echo "$my_email is NOT a valid email address";
}
?>

Example 2: preg_match in php

<?php
$my_url = "www.guru99.com";
if (preg_match("/guru/", $my_url))
{
	echo "the url $my_url contains guru";
}
else
{
	echo "the url $my_url does not contain guru";
}
?>

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