regex - Comment puis-je valider une adresse e-mail en utilisant une expression régulière

Mots clés : regexvalidationemailemail-validationstring-parsingregex

meilleur 4 Réponses regex - Comment puis-je valider une adresse e-mail en utilisant une expression régulière

vote vote

100

(?:[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])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\]) 
vote vote

87

try {     address = new MailAddress(address).Address; } catch(FormatException) {     // address is invalid } 
bool isValid = false;  try {     MailAddress address = new MailAddress(emailAddress);     isValid = (address.Address == emailAddress);     // or     // isValid = string.IsNullOrEmpty(address.DisplayName); } catch (FormatException) {     // address is invalid } 
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vote vote

72

/^\S+@\S+\.\S+$/ 
vote vote

66

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