/// <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)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
if (replacement == null)
{
throw new ArgumentNullException(nameof(replacement));
}
// Gets the weakly cached replacement helper or creates one if there isn't one already.
RegexReplacement repl = RegexReplacement.GetOrCreate(_replref, replacement, caps, capsize, capnames, roptions);
return(repl.Replace(this, input, count, startat));
}
/// <summary>
/// Returns the expansion of the passed replacement pattern. For
/// example, if the replacement pattern is ?$1$2?, Result returns the concatenation
/// of Group(1).ToString() and Group(2).ToString().
/// </summary>
public virtual string Result(string replacement)
{
if (replacement == null)
{
throw new ArgumentNullException(nameof(replacement));
}
if (_regex == null)
{
throw new NotSupportedException(SR.NoResultOnFailed);
}
// Gets the weakly cached replacement helper or creates one if there isn't one already.
RegexReplacement repl = RegexReplacement.GetOrCreate(_regex._replref, replacement, _regex.caps, _regex.capsize,
_regex.capnames, _regex.roptions);
return(repl.Replacement(this));
}
/// <summary>
/// Returns the expansion of the passed replacement pattern. For
/// example, if the replacement pattern is ?$1$2?, Result returns the concatenation
/// of Group(1).ToString() and Group(2).ToString().
/// </summary>
public virtual string Result(string replacement)
{
if (replacement is null)
{
ThrowHelper.ThrowArgumentNullException(ExceptionArgument.replacement);
}
Regex?regex = _regex;
if (regex is null)
{
throw new NotSupportedException(SR.NoResultOnFailed);
}
// Gets the weakly cached replacement helper or creates one if there isn't one already.
RegexReplacement repl = RegexReplacement.GetOrCreate(regex.RegexReplacementWeakReference, replacement, regex.caps !, regex.capsize, regex.capnames !, regex.roptions);
SegmentStringBuilder segments = SegmentStringBuilder.Create();
repl.ReplacementImpl(ref segments, this);
return(segments.ToString());
}
/// <summary>
/// Returns the expansion of the passed replacement pattern. For
/// example, if the replacement pattern is ?$1$2?, Result returns the concatenation
/// of Group(1).ToString() and Group(2).ToString().
/// </summary>
public virtual string Result(string replacement)
{
if (replacement == null)
{
throw new ArgumentNullException(nameof(replacement));
}
if (_regex == null)
{
throw new NotSupportedException(SR.NoResultOnFailed);
}
// Gets the weakly cached replacement helper or creates one if there isn't one already.
RegexReplacement repl = RegexReplacement.GetOrCreate(_regex._replref, replacement, _regex.caps, _regex.capsize,
_regex.capnames, _regex.roptions);
Span <char> charInitSpan = stackalloc char[ReplaceBufferSize];
var vsb = new ValueStringBuilder(charInitSpan);
repl.ReplacementImpl(ref vsb, this);
return(vsb.ToString());
}
