* Stepan Kasal wrote on Fri, Jan 28, 2005 at 09:48:32AM CET:
>
> 1) I wrote:
>
> > ... s/x\{23\}/yes/ ... is not portable
>
> Does anyone know whether I was true or not? The autoconf manual doesn't
> mention this problem, and \{23\} is required by POSIX for BRE's.
I think it is safe to use (unlike \+ or \?). The sed FAQ mentions
problems with \{0\} and with \{ \} immediately after \( \) for some
obscure sed implementation called HHsed.
Regards,
Ralf
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