Validate Email Address using REGEX pattern - Validation Rule

Validate Email Address using REGEX pattern - Validation Rule

NOT(REGEX(yourField__c,'([a-zA-Z0-9_\\-\\.]+)@((\\[a-z]{1,3}\\.[a-z]{1,3}\\.[a-z]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})')) 

resource(s): https://help.salesforce.com/s/articleView?id=000329165&type=1