Re: grep -E ? (Was: Compilation problem solved)

[Alexandre Oliva]

On Aug 29, 2000, "Thomas E. Dickey" <[EMAIL PROTECTED]> wrote:

> On 29 Aug 2000, Alexandre Oliva wrote:
>> On Aug 29, 2000, Earnie Boyd <[EMAIL PROTECTED]> wrote:
>> 
>> > AFAIK '^ *+' is a regular expression and not an extended regular
>> > expression.
>> 
>> `+' after `*' isn't portable, IIRC.  In fact, I don't understand what
>> we're trying to accomplish with that construct.  It makes no sense at
>> all to me.

> The `*' is the metacharacter: `+' is literal.

`+' isn't a portable literal.  Some implementations seem to use it as
a meta-character with the usual meaning, but without support for it
after `*'.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me