# Subsample Pango lineages in the build file using wildcards?

**URL:** https://nextstrain.discourse.group/t/subsample-pango-lineages-in-the-build-file-using-wildcards/1141
**Category:** Help and Getting Started
**Created:** [June 14, 2022, 7:21am UTC](https://nextstrain.discourse.group/t/subsample-pango-lineages-in-the-build-file-using-wildcards/1141 "2022-06-14T07:21:49Z")
**Posts on this page:** 1
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### Author: ![corneliusroemer](https://yyz1.discourse-cdn.com/flex031/user_avatar/nextstrain.discourse.group/corneliusroemer/32/175_2.png) [@corneliusroemer](https://nextstrain.discourse.group/u/corneliusroemer)
#### Post date: [June 16, 2022, 12:43pm UTC](https://nextstrain.discourse.group/t/subsample-pango-lineages-in-the-build-file-using-wildcards/1141/4 "2022-06-16T12:43:00Z")

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Adding it inline here for convenience

> [@Wildcard in subsampling scheme](https://nextstrain.discourse.group/t/wildcard-in-subsampling-scheme/741/2):
>
> --query uses Pandas’ expression syntax, so I believe you can do this: --query '(pango\_lineage.str.startswith("AY."))'

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