Fix regular expression syntax warning#670
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Regular expressions in Python should be raw strings so that Python itself does not interpret the escape sequences as normal string escape sequences. Signed-off-by: Patrick MacArthur <pmacarthur@arista.com>
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Description
Change regular expressions from regular strings to raw strings.
Motivation and Context
This change eliminates warnings in the logs from Python trying to interpret regular expression escape codes as string escape codes:
How Has This Been Tested?
Verified that SONiC and all docker containers can successfully boot with the changes applied, and the SyntaxWarnings do not appear in syslog.
Additional Information (Optional)