System.Data.ProviderBase.SimpleMatch.NextMatch C# (CSharp) Method

		protected internal SimpleMatch NextMatch() {
			return _regex.Match(Input, Index+Length+_skip, _total);
		}

		int PrepareSimpleQuery(StringBuilder sb, string query, IList userParametersList, int userParametersListStart)
		{
			int queryCurrentPosition = 0;
			int userParametersListPosition = userParametersListStart;

			if (userParametersList.Count > 0) {
				for (SimpleMatch m = ParameterRegExp.Match(query);
					m.Success;m = m.NextMatch()) {

					SimpleCapture parameterCapture = m;
					sb.Append(query,queryCurrentPosition,parameterCapture.Index - queryCurrentPosition);

					// advance in query
					queryCurrentPosition = parameterCapture.Index + parameterCapture.Length;	

					AbstractDbParameter userParameter = GetUserParameter(parameterCapture.Value, userParametersList, userParametersListPosition);

					if (userParameter != null) {
						if (IsNullParameter(userParameter)) {
							sb.Append("null");
							NullParametersInPrepare = true;
						}
						else {
							sb.Append('?');
							InternalParameters.Add(userParameter);	
						}	
						// advance in user parameters
						userParametersListPosition++;				
					}
					else {
						sb.Append(parameterCapture.Value);
					}
				}
			}

			sb.Append(query,queryCurrentPosition,query.Length - queryCurrentPosition);
			int userParamsConsumed = userParametersListPosition - userParametersListStart;

			if ((Behavior & CommandBehavior.KeyInfo) == 0)
				return userParamsConsumed;

			AbstractDBConnection connection = (AbstractDBConnection)Connection;
			if (connection == null)
				return userParamsConsumed;

			string dbname = connection.JdbcConnection.getMetaData().getDatabaseProductName();
			if (dbname == "Microsoft SQL Server") {	//must add "FOR BROWSE" for selects
#if USE_DOTNET_REGEX
					if (!SqlStatementsHelper.ForBrowseStatementReqExp.IsMatch(query))
						sb.Append(" FOR BROWSE");
#else
					if (!SqlStatementsHelper.ForBrowseStatementReqExp.matcher ((java.lang.CharSequence)(object)query).find ())
						sb.Append (" FOR BROWSE");
#endif
			}

			return userParamsConsumed;
		}