using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\b(t(?:\w{4})\d{3})\b";
string substitution = @"$1XXX";
string input = @"SELECT tcmcs003.*, tccom130.nama, tccom705.dsca, tcmcs052.dsca, tccom100.nama
FROM tcmcs003, tccom130,tccom705,tcmcs052,tccom100
WHERE tcmcs003.cadr REFERS TO tccom130
AND tcmcs003.casi REFERS TO tccom705
AND tcmcs003.cprj REFERS TO tcmcs052
AND tcmcs003.bpid REFERS TO tccom100
ORDER BY tcmcs003._index1";
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