[Users] regexp problem

[Klaus Darilion]

Daniel-Constantin Mierla wrote:
> Hello,
> 
> On 08/04/05 12:57, Klaus Darilion wrote:
> 
>> Hi!
>>
>> I have a problem with search();
>> I try to match a contact header with IP address:
>>
>>  if !(search("Contact:.*@[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:")) {
>> works fine, whereas
>>  if !(search("Contact:.*@[0-9]+\.[0-9]+\.[0-9]+\.\d+:")) {
>> does not work.                                   ^^
>>
>> Looks like search() does not like \d
>> Are there any known limitations for the regular expressions?
> 
> 
> it should allow POSIX format. Is \d standard in POSIX? What OS are you 
> using?

I use Linux Debian sarge. Looks like \d is not in posix:
http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap09.html

But [:digit:] is there. I tested
   if !(search("Contact:.*@[0-9]+\.[0-9]+\.[0-9]+\.[[:digit:]]+:")) {
and it works.

klaus