how to validate a telephone number in multiple format

rony Singh

i have a telephone textbox. which has two format.

one is 1 800 ###-#### and 800 ###-####.i have made regular expressions for 1 800 ###-#### and it is working fine

but unable to validate both format.means telephone number can support both format .my regular expression for 1 800 ###-#### is

"^\1[\s](800)?[\s\-]?\d{3}\-?\d{4}$" but unable to make both.please help me.what is the regular expressions for support two format

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Arul R10y ago
Hi Rony Singh,

ErrorMessage="RegularExpressionValidator"
ValidationExpression="((^|, )((1{1,1}\s)|(800\s)|(1[\s](800)[\s])))\d{3}[- ]\d{4}"
ForeColor="#FF3300">

Input: 800 654-9876
1 800 765-9875

Let me know for any thing more....
If your problem solved means kindly Accept my answer

0
Krishna Rajput Singh10y ago
Hello rony singh thanks for writing below links i hope helpful for you..:)

http://formvalidation.io/examples/validating-international-phone-numbers/

http://www.sitepoint.com/working-phone-numbers-javascript/

http://www.phone-validator.net/phone-number-online-validation-api.html

special thanks
c-sharpcorner
0
rony Singh10y ago
please help me.i am felling sad.i dont get any reply still now..
0