i am having a aspx page in that im having a 2 text boxes

ones mobile number and another is landline number

i want a javascript code to enter a valid phone number

im new to javascript plz help me

thank u

You can use a regex like this  /(\w{3}) ([\d]{1,2}) ([\d]{4})/im
which matches  3334445555, 333.444.5555, 333-444-5555, 333 444 5555, (333) 444 5555 and so on