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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 This user is from outside of this forum
    nixcraft@mastodon.socialN This user is from outside of this forum
    nixcraft@mastodon.social
    wrote last edited by
    #1

    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

    foo__@mastodon.socialF strider@ohai.socialS clemensprill@troet.cafeC paco@infosec.exchangeP kormachameleon@tech.lgbtK 29 Replies Last reply
    3
    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

      foo__@mastodon.socialF This user is from outside of this forum
      foo__@mastodon.socialF This user is from outside of this forum
      foo__@mastodon.social
      wrote last edited by
      #2

      @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 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

        strider@ohai.socialS This user is from outside of this forum
        strider@ohai.socialS This user is from outside of this forum
        strider@ohai.social
        wrote last edited by
        #3

        @nixCraft, trust the process

        1 Reply Last reply
        0
        • R relay@relay.mycrowd.ca shared this topic
        • 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

          clemensprill@troet.cafeC This user is from outside of this forum
          clemensprill@troet.cafeC This user is from outside of this forum
          clemensprill@troet.cafe
          wrote last edited by
          #4

          @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 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

            paco@infosec.exchangeP This user is from outside of this forum
            paco@infosec.exchangeP This user is from outside of this forum
            paco@infosec.exchange
            wrote last edited by
            #5

            @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 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

              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
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