# How to ignore specific subdomain with regex

**URL:** <https://community.traefik.io/t/how-to-ignore-specific-subdomain-with-regex/4711>\
**Category:** Traefik v1\
**Tags:** docker, traefik-ee\
**Created:** [March 2, 2020, 9:38am UTC](https://community.traefik.io/t/how-to-ignore-specific-subdomain-with-regex/4711 "2020-03-02T09:38:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bittu664](https://sea2.discourse-cdn.com/flex020/user_avatar/community.traefik.io/bittu664/32/1673_2.png) [@bittu664](https://community.traefik.io/u/bittu664)\
**Post date:** [March 2, 2020, 9:38am UTC](https://community.traefik.io/t/how-to-ignore-specific-subdomain-with-regex/4711/1 "2020-03-02T09:38:46Z")

</div>

I am using traefik v1.7 and I have a domain name `example.com` now what I want is to ignore this specific subdomain **admin** , **sync** , **manage** , **schedule**. in regex expr wild card pattern domain like this :-  
`"traefik.frontend.rule=HostRegexp: example.com, {subdomain:[a-z]+}.example.com"`

So how to do this.