Add a check on regular expression check.
Add a check on regular expression check.

BUG=None
TEST=None

Change-Id: I459dc2c3b2e7ee5ff24c1b27bb31121cdace75c6

bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite