Core: fixed Regular Expression Denial of Service vulnerability #2371
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ReDoS, or Regular Expression Denial of Service, is a vulnerability affecting
poorly constructed and potentially inefficient regular expressions which can
make them perform extremely badly given a creatively constructed input string.
GHSL-2020-294
credits to @erik-krogh for reporting the issue and providing a fix
for details see GHSA-jxwx-85vp-gvwm