10 examples of 'bootstrap email validation' in JavaScript

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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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}

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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}

209
function validateEmail(emailTest) {
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    var filter = /^[a-zA-Z0-9]+[a-zA-Z0-9_.-]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$/;
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    if (filter.test(emailTest) && emailTest.length < 99) {
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        return true;
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    } else {
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        return false;
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    }
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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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}

14
validate(data: string) {
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    if (typeof data !== 'string' || !data.toLowerCase().match(this.regex)) return false;
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    return true;
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}

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

118
function on_validation(name, value) {
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    switch (name) {
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        case 'name':
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        case 'street':
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        case 'city':
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            return value.length > 0;
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        case 'email':
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            return value.isEmail();
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        case age:
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            // The value will be always Number (The framework compares types)
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            return value > 18 && value < 60;
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    }
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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,}))$/;
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  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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}

15
public static emailValidator(control: AbstractControl): boolean {
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  // RFC 2822 compliant regex
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  /* tslint:disable */
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  if (control.value.match(/[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/)) {
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    /* tslint:enable */
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    return false;
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  }
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  return true;
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}