Or
The point is, each $var must be within "quotes", so the shell does not do word splitting and filename generation.
Then it must be
The ( ) is not special in a BRE, but \( \) is.
The -e (code argument follows) is allowed but not needed (because at least one code argument is required).
Ok, I'm stumped and can't seem to find relevant info.
(I'm not even sure, I might have asked something similar before.):
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ABCDErules
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Regards
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