Hi All,
thanks for all the suggestions.
With this it works:
cat mail.txt | egrep "[EMAIL PROTECTED]" | egrep "\.[a-zA-Z]{2,4}$"
It is probably possible to avoid the last egrep but I have not find out how.
Regards,
Stefan
>> I got in the output (Which I not want):
>> [EMAIL PROTECTED] -> I believed with [a-zA-Z]{2,4} I can limit it after the
>> "." Or?
>> [EMAIL PROTECTED] -> It should be as well not possible with [a-zA-Z]{2,4}
>>
>> How can I exclude this?
> You did not say that after the 2-4 characters the line should end...
> End the pattern with $
>> As weel I got as output this which I do not want:
>> [EMAIL PROTECTED]
>>
>> $ is normall end of a line. But it should not be in a mail address.
>>
>> [a-zA-Z0-9.-_]+@
>> I use the "+" here with the meaning the [a-zA-Z0-9.-_] has to be available
>> min. one of them. Nothing for a @ makes really no sense.
> You did not say it should be at the beginning.. everything can be in
> front of the matching token. Start the pattern with ^
> Also you are not escaping the . - meaning it can match to anything.
> try it with this:
> egrep "[EMAIL PROTECTED],4}$"
> good source to read more about it is re_format(7)
> Regards,
> Julian