regular expression in c#

Question

What is the regular expression for USA toll free number 1 800 ###-#### ? How to validate this for phone using c#? i want the regular expression only

Arul R · Answer

ValidationExpression=(1{11}\s)(800\s)\d{3}[- ]\d{4} ForeColor=#FF3300> Let me know for any thing more.... If your problem solved means kindly Accept my answer

Arul R · Answer

Thank you sorry for the late answer. If your problem solved means kindly Accept my answer

Sant Roy · Answer

Thanks it is 100% working.actually already i have done this.thanks for the 100% working code.and sorry for the late reply

Sant Roy · Answer

i know the link has similar type of answer but not what i am exactly looking for.actually i am unable to make regular expression

Arul R · Answer

Hi Sant Kindly refer the below links Hope this will sole your problem. http://snipplr.com/view/7622/ http://snipplr.com/view/5407/us-phone-number-with-extension-flexible/ Let me know for any thing more....