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  3. me: i need to validate some email addresses, so i am going to write a quick regex.

me: i need to validate some email addresses, so i am going to write a quick regex.

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  • nixcraft@mastodon.socialN nixcraft@mastodon.social

    me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

    *4 hours later*
    me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

    kormachameleon@tech.lgbtK This user is from outside of this forum
    kormachameleon@tech.lgbtK This user is from outside of this forum
    kormachameleon@tech.lgbt
    wrote last edited by
    #6

    @nixCraft give them slivovice, they'll sleep for 11 hours and you can fix your problem

    1 Reply Last reply
    0
    • paco@infosec.exchangeP paco@infosec.exchange

      @nixCraft Email is easy. I don't know what your problem is. Just take this quiz and you'll see how easy it is.
      https://e-mail.wtf/

      paul_ipv6@infosec.exchangeP This user is from outside of this forum
      paul_ipv6@infosec.exchangeP This user is from outside of this forum
      paul_ipv6@infosec.exchange
      wrote last edited by
      #7

      @paco @nixCraft

      email is the bumblebee of protocols. any protocol expert would tell you that most of these email addrs could never work. 😉

      1 Reply Last reply
      0
      • nixcraft@mastodon.socialN nixcraft@mastodon.social

        me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

        *4 hours later*
        me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

        toddalio@mstdn.caT This user is from outside of this forum
        toddalio@mstdn.caT This user is from outside of this forum
        toddalio@mstdn.ca
        wrote last edited by
        #8

        @nixCraft Hmm, looks like you forgot to protect your workspace with a circle of salt.

        1 Reply Last reply
        0
        • nixcraft@mastodon.socialN nixcraft@mastodon.social

          me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

          *4 hours later*
          me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

          simondeutschl@troet.cafeS This user is from outside of this forum
          simondeutschl@troet.cafeS This user is from outside of this forum
          simondeutschl@troet.cafe
          wrote last edited by
          #9

          @nixCraft
          YOU SHALL NOT PASS!!!

          1 Reply Last reply
          0
          • nixcraft@mastodon.socialN nixcraft@mastodon.social

            me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

            *4 hours later*
            me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

            haihappen@social.anoxinon.deH This user is from outside of this forum
            haihappen@social.anoxinon.deH This user is from outside of this forum
            haihappen@social.anoxinon.de
            wrote last edited by
            #10

            @nixCraft ah, yeah, been zhere, done that. That demon still owes me money.

            1 Reply Last reply
            0
            • nixcraft@mastodon.socialN nixcraft@mastodon.social

              me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

              *4 hours later*
              me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

              zephyrxero@layer8.spaceZ This user is from outside of this forum
              zephyrxero@layer8.spaceZ This user is from outside of this forum
              zephyrxero@layer8.space
              wrote last edited by
              #11

              @nixCraft RegEx, almost always the wrong choice

              orb2069@mastodon.onlineO 1 Reply Last reply
              0
              • nixcraft@mastodon.socialN nixcraft@mastodon.social

                me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                *4 hours later*
                me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                functionaldavid@mastodon.socialF This user is from outside of this forum
                functionaldavid@mastodon.socialF This user is from outside of this forum
                functionaldavid@mastodon.social
                wrote last edited by
                #12

                @nixCraft One thing I've learned over the years, is never try to validate an email address with regex !

                1 Reply Last reply
                0
                • nixcraft@mastodon.socialN nixcraft@mastodon.social

                  me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                  *4 hours later*
                  me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                  xilokar@mamot.frX This user is from outside of this forum
                  xilokar@mamot.frX This user is from outside of this forum
                  xilokar@mamot.fr
                  wrote last edited by
                  #13

                  @nixCraft

                  Copy a relatively good existing one, then just prompt for "are you sure" if it fails to match.

                  1 Reply Last reply
                  0
                  • nixcraft@mastodon.socialN nixcraft@mastodon.social

                    me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                    *4 hours later*
                    me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                    S This user is from outside of this forum
                    S This user is from outside of this forum
                    stealthytango@mastodon.world
                    wrote last edited by
                    #14

                    @nixCraft I think this is the right page from the Necronomicon: (?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])

                    d1@autistics.lifeD 1 Reply Last reply
                    0
                    • nixcraft@mastodon.socialN nixcraft@mastodon.social

                      me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                      *4 hours later*
                      me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                      freequaybuoy@mastodon.socialF This user is from outside of this forum
                      freequaybuoy@mastodon.socialF This user is from outside of this forum
                      freequaybuoy@mastodon.social
                      wrote last edited by
                      #15

                      @nixCraft Ah, did the reghex by mistake huh?!

                      1 Reply Last reply
                      0
                      • clemensprill@troet.cafeC clemensprill@troet.cafe

                        @nixCraft Just take a predefined one from someone else. Creating such complex regex is a waste of time and never totally right 🫠.

                        freequaybuoy@mastodon.socialF This user is from outside of this forum
                        freequaybuoy@mastodon.socialF This user is from outside of this forum
                        freequaybuoy@mastodon.social
                        wrote last edited by
                        #16

                        @clemensprill @nixCraft Shhhhh! 🤫 Let the normies think we write them like wizards

                        1 Reply Last reply
                        0
                        • nixcraft@mastodon.socialN nixcraft@mastodon.social

                          me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                          *4 hours later*
                          me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                          matovius@mastodon.socialM This user is from outside of this forum
                          matovius@mastodon.socialM This user is from outside of this forum
                          matovius@mastodon.social
                          wrote last edited by
                          #17

                          @nixCraft not to be that guy, but I've always wondered if this could be turned into a product or something

                          1 Reply Last reply
                          0
                          • nixcraft@mastodon.socialN nixcraft@mastodon.social

                            me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                            *4 hours later*
                            me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                            mahryekuh@hachyderm.ioM This user is from outside of this forum
                            mahryekuh@hachyderm.ioM This user is from outside of this forum
                            mahryekuh@hachyderm.io
                            wrote last edited by
                            #18

                            @nixCraft If we ever get a Ten Commandments for programming, one of them should be:

                            "Thou shalt not write thy own email regex."

                            curiously@mastodon.auC 1 Reply Last reply
                            0
                            • nixcraft@mastodon.socialN nixcraft@mastodon.social

                              me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                              *4 hours later*
                              me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                              endlessmason@hachyderm.ioE This user is from outside of this forum
                              endlessmason@hachyderm.ioE This user is from outside of this forum
                              endlessmason@hachyderm.io
                              wrote last edited by
                              #19

                              @nixCraft
                              At your point it might be easier to just search haveibeenpwned for the address

                              1 Reply Last reply
                              0
                              • mahryekuh@hachyderm.ioM mahryekuh@hachyderm.io

                                @nixCraft If we ever get a Ten Commandments for programming, one of them should be:

                                "Thou shalt not write thy own email regex."

                                curiously@mastodon.auC This user is from outside of this forum
                                curiously@mastodon.auC This user is from outside of this forum
                                curiously@mastodon.au
                                wrote last edited by
                                #20

                                @mahryekuh @nixCraft I thought it was reserved as a karmic punishment,
                                you shall be cast into the darkness with the regex nought to return until the email be atuned
                                type stuff
                                Or was that a nightmare. . .?

                                1 Reply Last reply
                                0
                                • R relay@relay.an.exchange shared this topic
                                • zephyrxero@layer8.spaceZ zephyrxero@layer8.space

                                  @nixCraft RegEx, almost always the wrong choice

                                  orb2069@mastodon.onlineO This user is from outside of this forum
                                  orb2069@mastodon.onlineO This user is from outside of this forum
                                  orb2069@mastodon.online
                                  wrote last edited by
                                  #21

                                  @zephyrxero @nixCraft
                                  "I should have used logic, but this keeps the complexity rating down."

                                  1 Reply Last reply
                                  0
                                  • nixcraft@mastodon.socialN nixcraft@mastodon.social

                                    me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                                    *4 hours later*
                                    me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                                    romion00bie@mastodon.socialR This user is from outside of this forum
                                    romion00bie@mastodon.socialR This user is from outside of this forum
                                    romion00bie@mastodon.social
                                    wrote last edited by
                                    #22

                                    @nixCraft Unwanted Summonings in Cyberspace

                                    1 Reply Last reply
                                    0
                                    • nixcraft@mastodon.socialN nixcraft@mastodon.social

                                      me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                                      *4 hours later*
                                      me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                                      simon@gotosocial.grnwds.ukS This user is from outside of this forum
                                      simon@gotosocial.grnwds.ukS This user is from outside of this forum
                                      simon@gotosocial.grnwds.uk
                                      wrote last edited by
                                      #23

                                      @nixCraft
                                      I gave up when I realised emojis were valid characters in email addresses.

                                      1 Reply Last reply
                                      0
                                      • nixcraft@mastodon.socialN nixcraft@mastodon.social

                                        me: i need to validate some email addresses, so i am going to write a quick regex. how hard can it be?

                                        *4 hours later*
                                        me. i now have 2 problems and one of them is that I've accidentally summoned an ancient daemon. wht the actual fuck

                                        pedersen@mastodon.artP This user is from outside of this forum
                                        pedersen@mastodon.artP This user is from outside of this forum
                                        pedersen@mastodon.art
                                        wrote last edited by
                                        #24

                                        @nixCraft The plural of "regex" is "regrets" 😄

                                        1 Reply Last reply
                                        0
                                        • foo__@mastodon.socialF foo__@mastodon.social

                                          @nixCraft regex might be hard, the email addresses RFC is "wild", cf.

                                          Link Preview Image
                                          Email is Easy

                                          Everyone knows what an email address is, right?

                                          favicon

                                          e-mail.wtf (e-mail.wtf)

                                          kasperd@westergaard.socialK This user is from outside of this forum
                                          kasperd@westergaard.socialK This user is from outside of this forum
                                          kasperd@westergaard.social
                                          wrote last edited by
                                          #25

                                          The answer that quiz gives on question 7 is not how I read the RFC. I looked at both RFC 821 and RFC 5321, neither permits spaces in an unqouted local-part.

                                          project1enigma@chaos.socialP 1 Reply Last reply
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