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https://issues.apache.org/jira/browse/AIRFLOW-3990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fokko Driesprong resolved AIRFLOW-3990.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

> Use compiled regular expressions
> --------------------------------
>
>                 Key: AIRFLOW-3990
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-3990
>             Project: Apache Airflow
>          Issue Type: Improvement
>            Reporter: Josh Carp
>            Assignee: Josh Carp
>            Priority: Trivial
>             Fix For: 2.0.0
>
>
> Some regular expressions are evaluated many times. To save a little time, we 
> should compile regular expressions with `re.compile` in advance instead of 
> potentially recompiling for each use.



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