SeqID for Classifier Contain both numerical and alphabetical characters

[Nicholas_Bokulich]

Welcome to the forum @aalex!

@aalex

How can I circumvent this?

See the awk script used in this tutorial:

Fungal ITS analysis tutorial

Fungal ITS analysis, mock communities, and more fun NOTE: This tutorial was written in a QIIME 2 2018.11 environment. It is not guaranteed to work with earlier or later versions of QIIME 2. This tutorial was compiled as a working exercise for a QIIME 2 workshop in December 2018, and does not represent the only possible fungal ITS workflow with QIIME 2, or even a benchmarked protocol recommendation. See other tutorials, e.g., the q2-itsxpress tutorial for other fungal ITS analysis options in QII…

@aalex

And what are the character requirements for using the classifier?

Uppercase valid nucleotide base codes (degenerate codes are accepted).