/// <summary>
/// Replaces all occurrences of the previously defined pattern with the
/// <paramref name="replacement"/> pattern, starting at the character position
/// <paramref name="startat"/>.
/// </summary>
public string Replace(string input, string replacement, int count, int startat, ref long replacements)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
if (replacement == null)
{
throw new ArgumentNullException(nameof(replacement));
}
// a little code to grab a cached parsed replacement object
RegexReplacement repl = (RegexReplacement)_replref.Get();
if (repl == null || !repl.Pattern.Equals(replacement))
{
repl = RegexParser.ParseReplacement(replacement, caps, capsize, capnames, roptions);
_replref.Cache(repl);
}
return(repl.Replace(this, input, count, startat, ref replacements));
}