using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(\[\w+)\.(?=\w+])";
string substitution = @"$1].[";
string input = @"I am parsing some SQL statements and have found places where the SELECT statement may be:
SELECT [tblCustomer].[FirstName], [tblCustomer.LastName], [tblOrder].[Order_No]
Another example:
SELECT IIf([tbl_ref_Service].[Root_Service] Is Null,[tbl_ref_Service].[Service],[tbl_ref_Service].[Root_Service]) AS Root_Service, tbl_POC_Assigned.POC_ID, [tbl_POC_Assigned.Hex_ID] & ""_"" & [tbl_Hex.Generic_ID] & ""_"" & [tbl_Lateral.Service_ID] & ""_"" & [tbl_Hex.ODD_Micap] & ""_Null"" AS Tool_Generic_Line, tbl_Hex.Building_ID AS Hex_Building_ID, tbl_POC.Lateral_ID, tbl_Generic_Service.Peak_Flow, [Diversity_Factor]*[Peak_Flow] AS Avg_Flow, tbl_POC_Assigned.Flow, tbl_POC_Assigned.Flow_Avg";
Regex regex = new Regex(pattern);
string result = regex.Replace(input, substitution);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx