|Don't ask to ask, just ask|
Re: Defining substring matchesby BrowserUk (Pope)
|on Sep 21, 2013 at 00:42 UTC||Need Help??|
I wish to use the substr() function to search for the particular motif.#
substr is *not* designed for (nor capable of) searching for anything; so why are you specifying that particular function?
You've defined your IUPAC codes in terms of regex character classes; so why are you eschewing the regex engine?
Given your table, it is trivial to convert IUPAC codes into a regex and use the regex engine to search your fasta file:
NB: The above is untested code typed directly into my browser.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.