public static string GetSubstring(RubyScope /*!*/ scope, string /*!*/ self, [NotNull] RubyRegex /*!*/ regex, [DefaultProtocol] int occurrance)
{
if (regex.IsEmpty)
{
return(String.Empty);
}
MatchData match = RegexpOps.Match(scope, regex, MutableString.Create(self, RubyEncoding.UTF8));
if (match == null || !RegexpOps.NormalizeGroupIndex(ref occurrance, match.GroupCount))
{
return(null);
}
MutableString result = match.GetGroupValue(occurrance);
return(result != null?result.ToString() : null);
}
public static string GetSubstring(RubyScope /*!*/ scope, string /*!*/ self, [NotNull] RubyRegex /*!*/ regex)
{
if (regex.IsEmpty)
{
return(String.Empty);
}
// TODO (opt): don't create a new mutable string:
MatchData match = RegexpOps.Match(scope, regex, MutableString.Create(self, RubyEncoding.UTF8));
if (match == null)
{
return(null);
}
var result = match.GetValue();
return(result != null?result.ToString() : null);
}
public static object Match(RubyScope /*!*/ scope, string /*!*/ self, [NotNull] RubyRegex /*!*/ regex)
{
return(RegexpOps.MatchIndex(scope, regex, MutableString.Create(self, RubyEncoding.UTF8)));
}