Using js regular expressions to verify mobile phone number email address zip code

Verification of mobile phone number (starting with 13 and starting with 158,159, a total of 11 digits)

var re;
var ss=document.getElementById('textbox3').value;
re= /^(13[0-9]{9})|(15[89][0-9]{8})$/
if(re.test(ss))
 {
   document.getElementById('label3').innerText="";   //So we're going to assign the label to the innerText
 }
else
{
 document.getElementById('label3').innerText=" Please enter the correct phone number! ";
 document.getElementById('imagebutton1').disabled=true; //Disable Button with disabled
}

Validation of email addresses (including @ and.)

  var re;
  var ss=document.getElementById(textboxid).value;
  re= /w@w*.w/
 if(re.test(ss))
   document.getElementById('label4').innerText="";
 else
 {
   document.getElementById('label4').innerText=" Please enter the correct email address! ";
   document.getElementById('imagebutton1').disabled=true;
 }

Verification of zip code (cannot start with 0, 6 bits)

var ss=document.getElementById('TextBox4').value;
var re= /^[1-9][0-9]{5}$/
if(re.test(ss))
  document.getElementById('label5').innerText="";
else
{
  document.getElementById('label5').innerText=" Incorrect postal code format! ";
}
var r= /^13[012345789]{9}/  In order to 13 At the beginning of 11 digits , after 9 Bits cannot appear as Numbers 6