How can PHP developers ensure that their regular expressions accurately filter out specific text patterns in HTML content?

PHP developers can ensure that their regular expressions accurately filter out specific text patterns in HTML content by using the `preg_replace` function with appropriate regex patterns. They should carefully construct their regex patterns to match the specific text patterns they want to filter out, taking into account the structure of HTML content. Additionally, developers should consider using the `s` modifier in their regex patterns to ensure that the dot `.` matches newline characters as well.

$htmlContent = "<p>This is some HTML content with <strong>tags</strong> and patterns to filter out.</p>";

// Define the regex pattern to filter out specific text patterns
$pattern = '/<[^>]*>/';

// Use preg_replace to filter out HTML tags
$filteredContent = preg_replace($pattern, '', $htmlContent);

echo $filteredContent;