Is it possible to create a new T-SQL Operator using CLR Code in MSSQL?

Posted by Eoin Campbell on Stack Overflow See other posts from Stack Overflow or by Eoin Campbell
Published on 2010-04-06T08:06:08Z Indexed on 2010/04/06 8:13 UTC
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I have a very simple CLR Function for doing Regex Matching

public static SqlBoolean RegExMatch(SqlString input, SqlString pattern)
{
    if (input.IsNull || pattern.IsNull)
        return SqlBoolean.False;

    return Regex.IsMatch(input.Value, pattern.Value, RegexOptions.IgnoreCase);
}

It allows me to write a SQL Statement Like.

SELECT * FROM dbo.table1 WHERE dbo.RegexMatch(column1, '[0-9][A-Z]') = 1
-- match entries in col1 like 1A, 2B etc...

I'm just thinking it would be nice to reformulate that query so it could be called like

SELECT * FROM dbo.table1 WHERE column1 REGEXLIKE '[0-9][A-Z]'

Is it possible to create new comparison operators using CLR Code. (I'm guessing from my brief glance around the web that the answer is NO, but no harm asking)

Thanks, Eoin C

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