how to validate a telephone number in multiple format

Jan 6 2016 8:38 AM

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

Answers (3)

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