JS phone number and phone number verification example
<script language= "Web Effects" >
function Check ()
{
var phone = Myfm.by_tel.value;
var tmp =/^1[3-9]d{9}$/; Support 11-bit phone number verification
var p1 =/^ ([0+]d{2,3}-)? ( 0d{2,3})? (d{7,8}) (-(D{3,}))? $/; Phone number
if (phone = = "" | | phone = = "Enter Contact" | | (!tmp.test (phone) &&!p1.test (phone))
{
Alert ("Please enter a valid phone! For example: 13875448850 or 0731-87588888");
Myfm.by_tel.select ();
return false;
}
}
</script>
<form name= "myFM" action= "target=" _self "enctype=" Multipart/form-data " method=" POST "
<input Name= "By_tel" type= "text" onfocus= "if (this.value== ' enter contact ') this.value= '"; "onblur=" if (this.value== ') this.value= ' Enter contact '; ' value= "Enter contact" class= "Inputt"/>
<input type= "Submit" value= "confirm" class= "INPUTBT" onclick= "Javascript:return check ();"/>
</form>