using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?:SELECT\s+|,\s*)[\s\S]*?\s?([^,]+?)\s+AS\s+Error.*";
string input = @"SELECT t1.dummy1, t1.dummy2 AS Error, t1.dummy3 INTO testResult
FROM (test1 t1 INNER JOIN test2 t2 ON t1.dummy4 = t2.dummy4) INNER JOIN test3 t3 ON t2.dummy9 = t3.dummy9
WHERE t2.dummy6 = 'abc' AND t3.dummy10 <> 'def' AND t1.dummy11 = 'ghi' AND t2.dummy12 IS NULL
GROUP BY t1.dummy1
HAVING 1=1
ORDER BY 1;";
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