2012/2/24 ольга крыжановская <[email protected]>
> David, the extended regular expression ~(E)[\]] does not match the
> string "]", i.e. ksh -c 'x="]" ; [[ $x == ~(E)[\]] ]] && print match'.
> Is this a mistake on my side or a bug in libast regex?
>
I think that's a quoting problem. To match a literal ] in brackets, ] must
be the first char in [] and it does not need to be escaped. But without the
\ ksh will report syntax error. If we put the RE in a var then it'll work
fine:
# re='~(E)[]]'
# [[ ']' == $re ]] && print match
match
#
>
> Olga
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