Hi! Very little documentation on the regex documentation was ever written, you can find it here:
https://docs.gnunet.org/handbook/gnunet.html#REGEX-Subsystem Beyond that, there is Max's MS thesis, which I just rebuild from SRC (with some trouble, build may not be perfect) and put up on https://grothoff.org/christian/szengel2012.pdf I've also now posted an (unpublished) paper on the subject at https://grothoff.org/christian/mesh-policy.pdf -- hopefully those will be helpful to you. Anyway, I don't recall any particular reasoning for us behind the allowed literals, except of course for the special characters like "|" or "()" that need to be reserved, so it MAY be as trivial as changing the code to include '@' (but I did not verify this). Happy hacking! Christian On 5/21/20 8:28 PM, TheJackiMonster wrote: > Hello, > > I'm still working on my chat client using CADET and I implemented a > search for other peers with the regex service. It works fine using > names to search for others but I would like to adapt this so that every > user can select how to be found ( username, mail address, phone number > ) or even if they don't want to be found at all ( which would be > default ). > > But there is this problem I get because the regex service lacks a bit > of documentation. ^^' > > I can't use the '@' character for the mail address ( even escaping with > '\\' prefix doesn't help ). I have found in the regex_internal.h this: > > #define ALLOWED_LITERALS \ > "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" > > But I can also use the '-' character escaped for phone numbers too... > so I would like to which characters can be used and which can not. I > would like to get all possible literals be included in the header of > the service too for checking in the application. ^^' > > The header of the service is referring to "https://gnunet.org/regex"; > but this page seems to be down. I guess I will try some time machine to > have a look anyway but I would like to see this situation improving > some way. > > Thanks for your time and happy hacking. > Jacki >
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