string: 'cixo@laptop.com' is validated as ?email!
After validation content is string: cixo@laptop.com

string: '' is not validated as ?email!

NULL: '' is validated as ?email!
After validation content is NULL: 

string: '123456789' is validated as phone!
After validation content is string: 123456789

string: '+1123456789' is validated as phone!
After validation content is string: +1123456789

string: '+100123456789' is validated as phone!
After validation content is string: +100123456789

string: '+48123456789' is validated as phone!
After validation content is string: +48123456789

string: '+123456789' is not validated as phone!

string: '23456789' is not validated as phone!

string: 'true' is validated as bool!
After validation content is boolean: 1

string: 'false' is validated as bool!
After validation content is boolean: 

string: 'xd' is not validated as bool!

string: '10' is validated as int!
After validation content is integer: 10

string: '-20' is validated as int!
After validation content is integer: -20

string: '2.55' is not validated as int!

string: 'uwu' is not validated as int!

string: '-10' is validated as numeric!
After validation content is double: -10

string: '5.555' is validated as numeric!
After validation content is double: 5.555

string: '1.1' is validated as numeric!
After validation content is double: 1.1

string: 'xd' is not validated as numeric!