Stepan Kasal <kasal@xxxxxx> writes:
> 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.
Older BSD seds don't support it, if memory serves.
You can always rewrite the expression to avoid the {23}.
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