the addresses x.x.x.255 and x.x.x.254 are not valid as the former is broadcast and the latter is multicast. Also, depending on your application, you may want to eliminate the class c addresses, (can't remember exact numbers) 172.15.x.x 172.25.x.x and 192.168.x.x and the class a address 10.0.0.0
On Tue, Aug 20, 2002 at 04:01:21PM +0200, Angerstein wrote: > > 0.0.0.0 is not an possible ip. > see O?Reilly TCP-IP or any other good Network book. > There are a some "not possible" ips, because of some bit-compinations that > may not appear. > (Has something to do with routing I think...) > > > > (And the reserved for further development/technologies IPs hehehehehe) > > try ping 0.0.0.0 in windows for example > > > > > -----Ursprüngliche Nachricht----- > > Von: Samy Kamkar [mailto:[EMAIL PROTECTED]] > > Gesendet am: Dienstag, 20. August 2002 15:35 > > An: Nikola Janceski > > Cc: '[EMAIL PROTECTED]'; [EMAIL PROTECTED] > > Betreff: Re: AW: how to make a regex for a ip address > > > > wouldn't match 0.0.0.0 ;) > > oy vey, when will it be figured out > > how about > > /^(?:2(?:[0-4]\d|5[0-5])|1?\d{1,2}\.){3}(?:2(?:[0-4]\d|5[0-5])|1?\ > > d{1,2})$/ > > > > > > > > Nikola Janceski wrote: > > > > > > > /^(?:(25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}|[1-9]{1,2})\.){3}(25[0-5]| > > 2[0-4][0-9 > > > ]|[0-1][0-9]{2}|[1-9]{1,2})$/ > > > > > > shortened from stephen's just a bit. > > > > > > > > >>-----Original Message----- > > >>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > > >>Sent: Tuesday, August 20, 2002 9:17 AM > > >>To: [EMAIL PROTECTED] > > >>Subject: RE: AW: how to make a regex for a ip address > > >> > > >> > > >>/^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9] > > >>)\.(25[0-5]|2[ > > >>0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5] > > >>|2[0-4][0-9]|[ > > >>0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9 > > >>]|[0-1]{1}[0-9 > > >>]{2}|[1-9]{1}[0-9]{1}|[0-9])$/ > > >> > > >>Stephen Redding > > >> > > >>BT Ignite Solutions > > >>Telephone - 0113 237 3277 > > >>Fax - 0113 244 1413 > > >>Email - [EMAIL PROTECTED] > > >>http://www.technet.bt.com/sit/public/ > > >> > > >> > > >>British Telecommunications plc > > >>Registered office: 81 Newgate Street London EC1A 7AJ > > >>Registered in England no. 1800000 > > >>This electronic message contains information from British > > >>Telecommunications > > >>plc which may be privileged or confidential. The information > > >>is intended to > > >>be for the use of the individual(s) or entity named above. If > > >>you are not > > >>the intended recipient be aware that any disclosure, copying, > > >>distribution > > >>or use of the contents of this information is prohibited. If you have > > >>received this electronic message in error, please notify us > > >>by telephone or > > >>email (to the numbers or address above) immediately. > > >> > > >> > > >> > > >>-----Original Message----- > > >>From: Nikola Janceski [mailto:[EMAIL PROTECTED]] > > >>Sent: Tuesday, August 20, 2002 14:13 > > >>To: Nikola Janceski; 'Samy Kamkar'; 'Angerstein' > > >>Cc: '[EMAIL PROTECTED]' > > >>Subject: RE: AW: how to make a regex for a ip address > > >> > > >> > > >>oh and anything else after that last . > > >> > > >>000255.000255.000255.000255.slkfdja;ljd;alkjf;lajkd;ljkasfljka > > >>;ljdkf;lajsdl; > > >>jkf;lsajd > > >> > > >> > > >>>-----Original Message----- > > >>>From: Nikola Janceski > > >>>Sent: Tuesday, August 20, 2002 9:12 AM > > >>>To: 'Samy Kamkar'; Angerstein > > >>>Cc: [EMAIL PROTECTED] > > >>>Subject: RE: AW: how to make a regex for a ip address > > >>> > > >>> > > >>>But that would match > > >>> > > >>>000255.000255.000255.000255. > > >>> > > >>>hehehe :) > > >>> > > >>>I like the split loop check. > > >>> > > >>> > > >>>>-----Original Message----- > > >>>>From: Samy Kamkar [mailto:[EMAIL PROTECTED]] > > >>>>Sent: Tuesday, August 20, 2002 9:02 AM > > >>>>To: Angerstein > > >>>>Cc: [EMAIL PROTECTED] > > >>>>Subject: Re: AW: how to make a regex for a ip address > > >>>> > > >>>> > > >>>>/^(?:0*(?:2(?:[0-4]\d|5[0-5])|1?\d{1,2})(?:\.|$)){4}/ > > >>>> > > >>>>-Samy > > >>>> > > >>>>Angerstein wrote: > > >>>> > > >>>> > > >>>>>What about: > > >>>>>/\d?\d?\d\.\d?\d?\d\.\d?\d?\d\.\d?\d?\d\/ > > >>>>> > > >>>>>or > > >>>>> > > >>>>>@ip = split (/\./); > > >>>>>foreach $part (@ip) { > > >>>>> if ( $part > 255 && $part =~ /\d?\d?\d\/ ) { > > >>>>> die "That?s not an IP"; > > >>>>> } > > >>>>>} > > >>>>> > > >>>>> > > >>>>> > > >>>>>>-----Ursprüngliche Nachricht----- > > >>>>>>Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]Im > > >>>>>> > > >>>>Auftrag von > > >>>> > > >>>>>>zentara > > >>>>>>Gesendet am: Dienstag, 20. August 2002 14:50 > > >>>>>>An: [EMAIL PROTECTED] > > >>>>>>Betreff: Re: how to make a regex for a ip address > > >>>>>> > > >>>>>>On Mon, 19 Aug 2002 12:07:21 -0700, [EMAIL PROTECTED] > > >>>>>> > > >>>>(Root) wrote: > > >>>> > > >>>>>>>for a one liner: > > >>>>>>> > > >>>>>>>$_ = '12.34.56.78'; > > >>>>>>>map {$_ < 256} /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/g || warn("not > > >>>>>>> > > >>>>>>> > > >>>>>>valid ip: $_\n"); > > >>>>>> > > >>>>>>I tried this with $_ = '1234.2345.56.78'; and received > > >>>>>> > > >>>no warning. > > >>> > > >>>>>>That's not good. > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>>-- > > >>>>>>To unsubscribe, e-mail: [EMAIL PROTECTED] > > >>>>>>For additional commands, e-mail: [EMAIL PROTECTED] > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>> > > >>>> > > >>>>-- > > >>>>Samy Kamkar -- cp5 -- [EMAIL PROTECTED] > > >>>>LucidX.com / LA.pm.org / code.LucidX.com > > >>>> > > >>>> > > >>>>-- > > >>>>To unsubscribe, e-mail: [EMAIL PROTECTED] > > >>>>For additional commands, e-mail: [EMAIL PROTECTED] > > >>>> > > >>>> > > >>-------------------------------------------------------------- > > >>-------------- > > >>-------------------- > > >>The views and opinions expressed in this email message are > > >>the sender's > > >>own, and do not necessarily represent the views and opinions of Summit > > >>Systems Inc. > > >> > > >> > > >>-- > > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > > >>For additional commands, e-mail: [EMAIL PROTECTED] > > >> > > >>-- > > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > > >>For additional commands, e-mail: [EMAIL PROTECTED] > > >> > > >> > > > > > > > > ------------------------------------------------------------------ > > ---------- > > > -------------------- > > > The views and opinions expressed in this email message are the sender's > > > own, and do not necessarily represent the views and opinions of Summit > > > Systems Inc. > > > > > > > > > > > > > > > -- > > Samy Kamkar -- cp5 -- [EMAIL PROTECTED] > > LucidX.com / LA.pm.org / code.LucidX.com > > > > > > -- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > -- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] -- Mat Harris OpenGPG Public Key ID: CC14DD34 [EMAIL PROTECTED] www.genestate.com
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