regex to block emails while having word bounce before @ sign.
gregs at sloop.net
Fri Mar 11 20:15:39 CET 2016
I think below regex matches everything up to @ sign.
it does NOT check anything after @ sign. This is WHAT I NEED
something like these.
noreply at bounce.domain.com
noreply at bounce.com
Be exceptionally careful of ".*" [It very, *very* often matches more things than you expected it to.]
I can't think of a specific example of a line that would cause an issue, but your regex, will match something like this too. [Essentially anything with "bounce" with anything in-between, followed by an "@" later in the same line.
blah blah blah jimbo at bounce.com freddy at someotherdomain.com blah blah blah @ blah [In this case, it will match on the second "@", not the first - as an example of how .* works.]
blah blah blah jimbo at somedomain.com freddy-bounce at someotherdomain.com blah blah blah
blah blah blah jimbo at somedomain.com freddy at someotherdomain.com bounce blah blah blah @ blah
Any new regex, I'd monitor it carefully for some time to be sure it does what you expected it to do, especially if it has a .* in it.
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