So, I am going to use this a bunch of times. Is this kind of thing best
setup up as a custom function or CFC?

-----Original Message-----
From: Richard Colman [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, June 14, 2005 12:11 PM
To: CF-Talk
Subject: RE: reverse compliment a sequence

Well, it needs to be done a character at a time, so, I am not entirely sure
that  

replace ("ACTG","TGAC", "all") would work in all cases.

However, Barney's solution is quite elegant!

TNX to both of you for helping with a common genomics transformation.

Rick.

-----Original Message-----
From: Claude Schneegans [mailto:[EMAIL PROTECTED]
Sent: Tuesday, June 14, 2005 11:56 AM
To: CF-Talk
Subject: Re: reverse compliment a sequence

 >I need to to reverse compliment a nucleotide sequence, so

>C become a G
>G becomes a C
>A becomes a T
>T becomes an A

>I need to go through a string a character at a time and build a new string.

>So:

>"ACTG" becomes "TGAC"

At first sight, simply
replace ("ACTG","TGAC", "all")
should do it, but I suspect the problem to be a little more complex, can you
give us more detail (may be a link) about what a "nucleotide sequence" may
look like?

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