$re = '~^(?![ \t]*///[ \t]*engineer).*[\r\n]+\s*((?:public|private).*)~m';
$str = 'using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication7
{
/// <summary>
/// Blah blah
/// </summary>
/// engineer: blehbleh
public class Class1
{
/// <summary>
/// constructor
/// </summary>
/// engineer: mme
public Class1()
{
}
/// <summary>
/// get data
/// </summary>
/// <param name="i">i param</param>
/// <returns>o param</returns>
public int GetData(int i)
{
return i;
}
}
}';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
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 PHP, please visit: http://php.net/manual/en/ref.pcre.php