Large, searchable text fields?

Is it possible to create a text field (<16k) that is searchable using
regular expressions?  I see there's a 4096 character limitation to the
'varchar' data type.

Thanks,

Mike.

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  Mike Frisch                         Email: mfrisch@saturn.tlug.org
  Northstar Technologies        WWW: http://saturn.tlug.org/~mfrisch
  Newmarket, Ontario, CANADA
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