JAVASCRIPT

email regular expression

function validateEmail(email) {
 const re = /^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/;
 return re.test(String(email).toLowerCase());
}

email regex

const EMAIL_REGEX =
  /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:.[a-zA-Z0-9-]+)*$/;

regex for email

^[w-.]+@([w-]+.)+[w-]{2,4}$
//will validate for:  test@gmail.com etc

email regex

// This is by far the best regex used for email
^w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*$

email regex

[w._%+-]+@[w.-]+.[a-zA-Z]{2,3}

regex for email

# regrex for email for javascript

/^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/

regex email pattern

const EMAIL_PATTERN =
  /^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([^<>()[].,;:s@"]+.)+[^<>()[].,;:s@"]{2,})$/i;

email regex

const emailRegex = /^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$/

email regex

const emailRegex = /^w+([.-]?w+)*@w+([.-]?w+)*(.w{2,5})+$/

regex for email

// Author : Mahmmoud Kinawy 

/^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:.[a-zA-Z0-9-]+)*$/

regex for email validation

let regex = new RegExp("([!#-'*+/-9=?A-Z^-~-]+(.[!#-'*+/-9=?A-Z^-~-]+)*|"([]!#-[^-~ 	]|([	 -~]))+")@([!#-'*+/-9=?A-Z^-~-]+(.[!#-'*+/-9=?A-Z^-~-]+)*|[[	 -Z^-~]*])");

email regex

 /^w+([.-]?w+)*@w+([.-]?w+)*(.w{2,3})+$/.test(v);

regex for email validation

[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+

regular expression for email validation

  /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:.[a-zA-Z0-9-]+)*$/gi

email regex

(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[x01-x08x0bx0cx0e-x1fx21x23-x5bx5d-x7f]|[x01-x09x0bx0cx0e-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-x08x0bx0cx0e-x1fx21-x5ax53-x7f]|[x01-x09x0bx0cx0e-x7f])+)])

regex to find emails

function extractEmails (text) {
  return text.match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+.[a-zA-Z0-9_-]+)/gi);
}

Email Regex

^(([^<>()[].,;:s@"]+(.[^<>()[].,;:s@"]+)*)|(".+"))@(([[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}])|(([a-zA-Z-0-9]+.)+[a-zA-Z]{2,}))$

regex email

(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[x01-x08x0bx0cx0e-x1fx21x23-x5bx5d-x7f]|[x01-x09x0bx0cx0e-x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])).){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[x01-x08x0bx0cx0e-x1fx21-x5ax53-x7f]|[x01-x09x0bx0cx0e-x7f])+)])

email regex

#found on stackoverflow
([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+)
#to put all mails in a list from a string that refers to an html text code 
emails = re.findall("([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+)", html_text)

regular expression for emails

(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[x01-x08x0bx0cx0e-x1fx21x23-x5bx5d-x7f]|[x01-x09x0bx0cx0e-x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])).){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[x01-x08x0bx0cx0e-x1fx21-x5ax53-x7f]|[x01-x09x0bx0cx0e-x7f])+)])

email regex

//Provided by Youtube: CodingBite

let email='hello@example.com'
const handleSubmit = () => {
        let mailformat = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:.[a-zA-Z0-9-]+)*$/;
        let Email = email.trimLeft()
        Email != ''
            ? Email.match(mailformat)
                ? alert('Sucess')
                : alert('Enter Correct Mail!')
            : alert('Fill email first!')
    }

regex email

<form action="/phpchecks.php" enctype="multipart/form-data" >
  <label for="ema">Email</label>
  <input type="text" name="ema" pattern="/^[w-.]*[w.]@[w.]*[w-.]+[w-]+[w].+[w]+[w $]/" ><br><br>
  <input type="submit">
</form>

regex expression for email

^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$

regex email

<?php
if (preg_match("^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+.[a-zA-Z]+", $argv[1])) {
    echo "Match";
} else {
    echo "No Match";
}
?>

regular expression email

^[a-zA-Z0-9.a-zA-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[a-zA-Z0-9]+.[a-zA-Z]+?((?:[a-zA-Z0-9-]{0,253}[a-zA-Z0-9])?)*$