using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"select(?:.|\n)*?(?!join)(?:.|\n)*?select";
string input = @"select as T_D
*
into table
join spread ll
select as gege * from 'gagaga'
join
select * from qoqo
join
select as GEGE
select * as this_is_needed_to_be_sel
into table
join
select *
into table";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
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