When extracting data from a table on a website using preg_match(), how can you ensure that the desired result is retrieved regardless of text formatting within the table cells?

When extracting data from a table on a website using preg_match(), you can ensure that the desired result is retrieved regardless of text formatting within the table cells by using regular expressions that are flexible enough to capture variations in formatting. This can be achieved by using wildcard characters and optional elements in the regular expression pattern to account for different formatting styles.

// Sample code snippet to extract data from a table cell regardless of formatting
$html = file_get_contents('https://www.example.com');
$pattern = '/<td>(.*?)<\/td>/s'; // Regular expression pattern to match table cell content
if (preg_match($pattern, $html, $matches)) {
    $data = $matches[1]; // Extracted data from the table cell
    echo $data;
} else {
    echo 'Data not found';
}