https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201650

            Bug ID: 201650
           Summary: (e)grep handling regexp wrong
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: [email protected]
          Reporter: [email protected]

Today, thanks to a tweet from @moo_pronto
(https://twitter.com/moo_pronto/status/622035032463527936) i noticed that
FreeBSD's egrep is handling the regexp wrong.

echo "abc" | egrep -o '^[a-z]' should never also find "b" and "c", as it only
should find the first character after the line beginning (^).

It would be okay if it was ^[a-z]+ but it's not. :)

I am very certain that is an error in regexp handling.

(Sorry if i ruined anyone's weekend)

- Franz

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