isHtml function

bool isHtml(
  1. String t
)

Returns true if the text is HTML.

Implementation

bool isHtml(String t) {
  t = t.toLowerCase();

  if (t.contains('</h1>')) return true;
  if (t.contains('</h2>')) return true;
  if (t.contains('</h3>')) return true;
  if (t.contains('</h4>')) return true;
  if (t.contains('</h5>')) return true;
  if (t.contains('</h6>')) return true;
  if (t.contains('</hr>')) return true;
  if (t.contains('</li>')) return true;
  if (t.contains('<br>')) return true;
  if (t.contains('<br/>')) return true;
  if (t.contains('<br />')) return true;
  if (t.contains('<p>')) return true;
  if (t.contains('</div>')) return true;
  if (t.contains('</span>')) return true;
  if (t.contains('<img')) return true;
  if (t.contains('</em>')) return true;
  if (t.contains('</b>')) return true;
  if (t.contains('</u>')) return true;
  if (t.contains('</strong>')) return true;
  if (t.contains('</a>')) return true;
  if (t.contains('</i>')) return true;

  return false;
}