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Password email field

hey guys welcome back to another video this week I'm gonna show you how to do email and password validation maybe this one of the best background coverlet matching with my background here is just a simulator of a final project so you enter the email let's say is put this is invalid because you need something to be like this right that's how to go email form go and if you put a for exam before the expand you let's do the same thing it won't work because there's knots will be expanded email and unless you complete the California law they would type it's getting stay over ballot for the password you have multiple option you can cut sample password at least six character contain one special character so if I add or one digit and yeah you can set up different rule foot and it will accurately tell you what to do so actually let's get started and for majors name t-swift project we're gonna start with making an extension to string the way it will be checking our email and password I'm actually gonna be copy and paste this part because I want to type it all over again it's a very long process um so we grab it just paste it here all right so here's if um first we have let me go through the function we have an email a valid email gonna return our a boolean and this regex right here you actually can graph it from this website i just wanna get a credit team because email is very hard to validate and even working on it radar so this we the final regex we're gonna run our do an NS predicate and gonna pass it in and when the return if it's contained with if it matches this thing right and bottom is we also check is password valley hit the regex where it is the same format and all these bottom function here is uppercase location no Sarah it is a breakup of this regex I I want that at least one uppercase one lower case and I wanna leave containing one special character and they say I want to contain the digit so that is it's out checking it's a nice concept is to make a observable object where will be used to track our validation so I start with a class of email validation object and form to observer well here we can have two variable first one is this email what you're gonna do a string and and let's go find another publish on the far let's say care for this one right so here what we can do you can put in the set and this is where we be checking our email let's create an extra function I should we don't really natural function we want to check if so that email is empty we and I'm still not used to this keyboard style dot error equal to let's say required else if not so that email that is by the email in this not a valid email you're gonna sell that area equal to let's say valid email else thinking this that's so error equal to an empty string so will not show it anymore password frame-up will be the same way is gonna be a bit longer so let's say password validation object right same thing we're gonna put a dish up in here leave empty it up go down to make alright here we this function is a bit longer so we're gonna let make it into the valid for I have a microphone really close to the keyboard due to the limited space so I'm sorry with a stray cat loud let a function call and we guard we're gonna put a guard here I'm gonna say cell dot password East Mt oh well just want to make sure it's not empty when I sound on the air same thing you're gonna put require here are we gonna say let step hat equal to still dot past keys password again what do these Jeremy Foss okay so if show if it's set password error yeah when you say that so have cow I'm here I'm gonna say that if any if your password is less than six digit you're gonna put an error message right must be please and you can do more after that that's and yeah we're gonna do another if so have ease uppercase right and then you're gonna say so error and then you can do more validation just like how we declare her so let me tell you more if that else we gonna spell equal to empty right now we have a thing let's go up to our container view let's run this now we type it was happening valid email right away and if it delete this they require so I'm gonna say best thing add a g-man doc when you get to the see is done delete is gonna come out again planned and I think yeah that's me there's no space so you just according your spam email so that's gonna give you invalid email so say testing gmail.com and next we're gonna put this is one special character one the same will contain one digit and that balance a file our requirement that we set for our email password and that's pretty much it it's a pretty quick tutorial I mention the beginning of the video I'll put this in the link description so you have to title this out and I hope you enjoy the video and I hope this helped you out see you guys next time bye