$re = '~(\S*)\((?:[^)]|//[^\r\n]*\)|/\*(?:(?!\*/).)*\*/)*ref\s*SqlConnection~s';
$str = 'public static bool InsertNotes(string TableName, string TableKey, string DocType, string InsuredKey, string SubmissionKey,
string Staff, string DefaultAction, string DisplayKey, FileType FileType, string IFSFileName,
string IFSFolder, string IFSTimeStamp, string Subject, string Notation, NoteType NoteType,
//string Company, string NoteCategory, ref OracleConnection Connection)
string Company, string NoteCategory, string DocumentName)
{ //Stuff here
}
public static bool InsertNote1(string TableName, string TableKey, string DocType, string InsuredKey, string SubmissionKey,
string Staff, string DefaultAction, string DisplayKey, FileType FileType, string IFSFileName,
string IFSFolder, string IFSTimeStamp, string Subject, string Notation, NoteType NoteType,
//string Company, string NoteCategory, ref OracleConnection Connection)
string Company, string NoteCategory, string DocumentName, ref SqlConnection Connection)
{ //Stuff here
}
public static bool InsertNote2(string TableName, string TableKey, string DocType, string InsuredKey, string SubmissionKey,
string Staff, string DefaultAction, string DisplayKey, FileType FileType, string IFSFileName,
string IFSFolder, string IFSTimeStamp, string Subject, string Notation, NoteType NoteType,
/*string Company, string NoteCategory, ref OracleConnection Connection)*/
string Company, string NoteCategory, string DocumentName, ref SqlConnection Connection)
{ //Stuff here
}';
preg_match_all($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