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Hi,i am figuring how to use a regular expression to validate phonenumber in this format below

345712332111.It should start with area code i.e 345
Any one who can help sort this?
Updated 19-Mar-20 20:33pm

try this
\(?\d{3}\)?-? *\d{3}-? *-?\d{6}

if you try this code, working like this type 345-712-332111. you can change number as you according or you hit this link[^]

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