Using Regex to validate E mail and Phone Number
Using Regex to validate E mail and Phone Number Here is the RegEx expression to validate Phone number and E-mail. RegEx expression for validating E-mail : /^(([^<>()[].,;: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,}))$/ and the RegEx expression for validating Phone number : /^(?([0-9]{3}))?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/ Here is an example of usage of these RegEx expressions in JavaScript . var 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,}))$/; var phoneregex=/^(?([0-9]{3}))?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/; if (emailregex.test( string )){ // valid email }else{ // Invalid email } if (phoneregex.test( string )){ // valid phone number }else{ // Invalid phone number } You can replace string with whatever you want. For Example: if (phoneregex.test($(...