Queries :: Performing Keyword Searches Of Text Field

I am trying to perform some keyword searches of a text field. My preferred option would be to hold all the keywords in a separate table and then use something like

SELECT * FROM Text Table, Keywords Table WHERE (((InStr[Text Table].[Text],[Keywords Table].[keywords])) > 0 ));

This works and returns anything which has the string from the keyword table, however I wanted to look for whole words only. I can do this in SQL using a regular expression along the lines of [!a-z] keyword [!a-z] which only finds the string where it has no letters directly either side of it.

What I would like to do is combine the two methods so I hold my keywords in a table and then use them with the reg ex to find whole words only.