$re = '/(?:<[^\s].*?>\n?.*\n?<\/.*?>|<[^\s].*?[^\s][" ]{0,1}\/>)/mi';
$str = 'Hi :wave:,
this is html in like <div> HTML tag </div>
and this below hypertext is span with tags
<div>
text <b><i></i></b>
</div>
<script>
console.log(\'hi\');
</script>
<span id="text"> Hi <b>you</b> </span>
<id></id>
<br />
<br />
<br/>
<img src="./here.jpg" />
<input text="text"/>';
$subst = "{{1}}";
$result = preg_replace($re, $subst, $str);
echo "The result of the substitution is ".$result;
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php