On Wed, Feb 02, 2005 at 06:46:28PM -0500, Brian Osborne wrote: > You will write the Genbank entry to a string, using the Seq object > (http://bioperl.org/Core/Latest/faq.html#Q2.4), and use a regular > expression. Good idea, thank you. I now use the Seq object as an RichSeq object and take out of it what I need. Matze.