Verify the mobile phone number, email address, and zip code using the js Regular Expression

Verification of mobile phone numbers (starting with 13 and starting with 158,159, 11 digits in total)
Copy codeThe Code is as follows:
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 = ""; // assign a value to the label using innerText
}
Else
{
Document. getElementById ('label3'). innerText = "enter the correct mobile phone number! ";
Document. getElementById ('imagebutton1'). disabled = true; // disable disabled for Button
}

Verify the email address (including @ and .)
Copy codeThe Code is as follows:
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 = "enter the correct email address! ";
Document. getElementById ('imagebutton1'). disabled = true;
}

Zip code verification (cannot start with 0, 6 digits in total)
Copy codeThe Code is as follows:
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 zip code format! ";

}

Var r =/^ 13 [012345789] {9}/11 digits starting with 13, the last 9 digits cannot contain 6 digits