JavaScript Password telephone Fax ZIP code keyword Verification

function ispasswd (s)
{
var patrn=/^ (W) {6,20}$/;
if (!patrn.exec (s)) return false
return True
}//Check Ordinary telephone, fax number: You can "+" start, in addition to numbers, can contain "-"
The code is as follows:

function Istel (s)
{
var patrn=/^[+]{0,1} (d) {1,3}[]? ([-]? (d) {1,12}) +$/;
var patrn=/^[+]{0,1} (d) {1,3}[]? ([-]? ((d) | []) {1,12}) +$/;
if (!patrn.exec (s)) return false
return True
//Check mobile phone number: Must start with a number, in addition to the number, can contain "-"
The code is as follows:

function Ismobil (s)
{
var patrn=/^[+]{0,1} (d) {1,3}[]? ([-]? ((d) | []) {1,12}) +$/;
if (!patrn.exec (s)) return false
return True
}

Check ZIP code
The code is as follows:

function Ismobil (s)
{
var patrn=/^[+]{0,1} (d) {1,3}[]? ([-]? ((d) | []) {1,12}) +$/;
if (!patrn.exec (s)) return false
return True
//Checksum search keyword
The code is as follows:

function Issearch (s)
{
var patrn=/^[^ ' ~!@#$%^&* () +=|] []{}:; ',. <>/?] {1} [^ ' ~!@$%^& () +=|]
[]{}:; ',. <>?] {0,19}$/;
if (!patrn.exec (s)) return false
return True
}

function Isip (s)//by zergling
{
var patrn=/^[0-9.] {1,20}$/;
if (!patrn.exec (s)) return false
return True
}