Regex: removing some exceptions

[alyssawilk]

Risk Level: low Testing: updated tests Docs Changes: n/a Release Notes: n/a https://github.com/envoyproxy/envoy-mobile/issues/176

[repokitteh-read-only[bot]]

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:cat:

Caused by: https://github.com/envoyproxy/envoy/pull/33853 was opened by alyssawilk.

see: more, trace.