Mobile users are increasing. Most of the site visitors of a website is using mobiles to browse. So you need to redirect users who uses mobile to a mobile page of your site. In Javascript it is easy, because you can check the width and height of the window. But on server side, it can become difficult. You will find is_mobile() function in this post which detects if the client is in mobile or not.
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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($("#phone").val())){// valid phone number}else{// Invalid phone number}
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