The biggest thing you need to consider here is that you're using *
interchangably as a character to look for, and also as a wildcard operator:
.* is a combination; the . means any character and the * means 0 or more
occurrences of it. Therefore a.*a would match azzzzza, but also aa.
Similarly + means match 1 or more occurrences. Another thing to bear in mind
is that * is what's known as hungry, so <.*> will pull out <test><here> from
<test><here> and not just <test> as you might expect.
You're also looking for <*tr*>, so you're looking for things like <<<trrrr>,
the way to get around this is to put the * in square brackets: [*] or escape
it (usually using a backslash). Square brackets means 'any of the characters
in the brackets', so
[aeiou*]* will match a*aaa, aei, uo, but not abc.
any clearer?
I've found that one of the better RE help files was the one that came with
Textpad (go edit->find and click help), but the man pages for grep aren't
bad, either.
cheers,
martin kemp
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: 07 August 2001 7:52
> To: [EMAIL PROTECTED]
> Subject: Problem
>
>
> Ok, first, I want to ask what mailing list should I mail for a scripting
> question? Ive been on this list for about 6 months now, And i
> dont recall
> seeing to many script questions.
>
> 2nd, Im having a problem with the eregi command again (if you remember my
> e-mail from yesterday). Heres the problem, I can find a match for what I
> want, but it wont get the rest of the lines if theres a return in
> them, such
> as the following:
> (commands have * inside of the brackets for people with HTML
> mail, such as
> myself)
>
> <*tr*><*td*>1) Name here<*/td*>
> <*td align=right*>Results Here<*/td*>
> <*td align=right*>Result Time Here<*/td*>
> <*td align=right*>Average Time Here<*/td><*/tr*>
>
> If i use just the <*tr*><*td*>1) (.*)to search for, it will just
> return the
> Name Here part,
> If I use <*td*><*td*>1)(.*)<*/td*><*/tr*> to search for it, it
> wont return
> anything? If anyone has any ideas, or can pont me in the right
> direction, I
> would appreciate it.
>
> ~Jeff
>
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