<?php
$html = "[div_row_392]...text...[/div]";
$result = preg_replace('%\[(.*?)_(.*?)_(.*?)\](.*?)\[/(.*?)\]%sim', '<$1 class="$2" id="$3">$4</$5>', $html); echo $html;
PD9waHAKCiRodG1sID0gIltkaXZfcm93XzM5Ml0uLi50ZXh0Li4uWy9kaXZdIjsKJHJlc3VsdCA9IHByZWdfcmVwbGFjZSgnJVxbKC4qPylfKC4qPylfKC4qPylcXSguKj8pXFsvKC4qPylcXSVzaW0nLCAnPCQxIGNsYXNzPSIkMiIgaWQ9IiQzIj4kNDwvJDU+JywgJGh0bWwpOwplY2hvICRodG1sOw==