Re: regexp for correct package version

[Aleksey Cheusov <cheusov%tut.by@localhost>]

> On Sun, Feb 17, 2008 at 12:44:57AM +0200, Aleksey Cheusov wrote:
 >> An easiest missed thing is a regular expression for correct package
 >> version.  Is the following correct (ERE)?
 >> 
 >> [0-9]+([.][0-9]+)*((alpha|beta|rc|pre|pl)[0-9]+)?[a-z]?(nb[0-9]+)?

> This is only a subset of the allowed syntax. You can have multiple
> alpha,rc,pl,... parts for example.

Ok. Next try:

[0-9]+(([.]|alpha|beta|rc|pre|pl)[0-9]+)*[a-z]?(nb[0-9]+)?

Can [a-z] be also repeated?

-- 
Best regards, Aleksey Cheusov.