10 examples of 'yup email validation' in JavaScript

10
function validateEmail (email) {
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  if (email && email.match(/^(([^<>()\[\]\.,;:\s@\"]+(\.[^<>()\[\]\.,;:\s@\"]+)*)|(\".+\"))@(([^<>()[\]\.,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i)) {
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    return true
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  }
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  return false
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}

20
email(err) {
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  return this.rule(function(email) {
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    if (!email) return false;
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    if (email.length > 254) return false;
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    var valid = emailRegex.test(email);
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    if (!valid) return false;
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    // Further checking of some things regex can't handle
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    var parts = email.split('@');
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    if (parts[0].length > 64) return false;
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    var domainParts = parts[1].split('.');
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    if (
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      domainParts.some(function(part) {
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        return part.length > 63;
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      })
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    )
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      return false;
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    return true;
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  }, err || t('STRING_RULE_EMAIL'));
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}

20
function validate_email(email)
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{
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	var emailReg = /\S+@\S+\.\S+/;
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	if(!emailReg.test(email)) {
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		return false;
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	}
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	return true;
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}

1
export default function validateEmail(email: string) {
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  // tslint:disable-next-line:max-line-length
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  const reg = /^(([^<>()\[\]\\.,;:\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,}))$/;
4
  return reg.test(email) && email !== '' && email.length > 0;
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}

225
function validateEmail(email) {
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    if (email.length <= 0) {
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        return false;
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    }
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    var emailPattern = /\S+@\S+\.\S+/;
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    return emailPattern.test(email);
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}

21
public static validateEmail(email: string): Boolean {
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  // tslint:disable:max-line-length
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  const regExp = /^(([^<>()[\]\\.,;:\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,}))$/;
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  return regExp.test(email);
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}

8
function validateEmail (val) {
9
  return /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/.test(val);
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}

17
function validateEmail(email) {
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  var 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,}))$/;
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  return re.test(String(email).toLowerCase());
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}

50
function validateEmail(email){
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    const schema = {
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        email: Joi.string().required().email()
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    }
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    return Joi.validate(email, schema);
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}

5
static validateEmail(email) {
6
  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,}))$/;
7
  if (email instanceof Array) {
8
    let valid: boolean = true;
9
    email.forEach(mail => {
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      if (mail) {
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        valid = re.test(String(mail.trim()).toLowerCase())
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      }
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    });
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    return valid;
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  } else {
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    return re.test(String(email).toLowerCase());
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  }
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}