# GroupDocs.Watermark for Python via .NET — Complete Documentation > Native Python library that adds, searches, and removes text and image watermarks across PDF, Word, Excel, PowerPoint, Visio, ema......highlight(text, query) { const safe = escapeHtml(text); if (!query) return...RegExp('(' + escapeRegExp(escapeHtml(query)) + ')', 'ig'); return safe...