Validate Full Name (Turkish characters are valid)

validateFullName.js

function validateFullName(name="") {
      const regex= /^[A-Za-zşŞıİçÇöÖüÜĞğ ]+$/;
      const fullName=String(name).trim()
      let warning={
       status:true,
       message: ""
       };
      if (fullName.length==0) {
        warning={
          status:false,
          message:"Please enter your full name"
        }
      }else if (!regex.test(name)) {
        warning={
          status:false,
          message:"Please enter your name alfetically!"
        }
      }
      return warning;
    }

console.log(validateFullName(" Göktuğ Şimşek Oruç "))
console.log(validateFullName())
console.log(validateFullName("  Mustafa 2021  "))
console.log(validateFullName("Mustafa 2021"))
console.log(validateFullName(2021))