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- // Converts single line breaks to BR tags, multiple line breaks to P tags. Does nothing more.
- public static string PlainTextToHtml(string text)
- {
- if (string.IsNullOrWhiteSpace(text)) return text?.Trim();
- text = text.Trim();
- // Remove blanks from otherwise completely empty lines.
- text = Regex.Replace(text, @"^\s+$", string.Empty, RegexOptions.Multiline);
- text = text.Replace("\r\n", "\r");
- text = text.Replace("\n", "\r");
- text = text.Replace("\r", "\r\n");
- // Codense multiple blank lines.
- text = Regex.Replace(text, "\n{3,}", Environment.NewLine + Environment.NewLine);
- text = HttpUtility.HtmlEncode(text);
- text = text.Replace("\r\n", "\r");
- text = text.Replace("\n", "\r");
- text = text.Replace("\r\r", @"</p><p>");
- text = text.Replace("\r", @"<br>");
- text = @"<p>" + text + @"</p>";
- return text;
- }
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