Check Moblie Number or Not in PHP String

Question

Iam New in PHP . I Know How to Check a String number or Not using is_numeric but I want Check Mobile Number add + in my case

$mobile = "+15666886345" ;
if($mobile)  {
  //  Valid  Mobile Number
} 
else   {
// Not Valid Mobile Number
}

How to Check this Case

Answer 1

You can use php preg_match() function to match the string as like below

if(!preg_match('/^[0-9 +-]*$/', $mobile)){
     //  Valid  Mobile Number
}else{
     // Not Valid Mobile Number
}