/// <summary>
/// Returns all indivual lines (separated by CR, LF or CRLF).
/// </summary>
/// <param name="source">The string </param>
/// <returns>A sequence of individual lines.</returns>
public static IEnumerable<string> GetAllLines(this string source)
{
if ( source == null )
yield break;
using ( var reader = new StringReader(source) )
foreach ( var line in reader.GetAllLines() )
yield return line;
}
