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This expression matches a hyphen separated US phone number, of the form ANN-NNN-NNNN, where A is between 2 and 9 and N is between 0 and 9.

US Phone Number -- doesn't check to see if first digit is legal (not a 0 or 1).

This RegEx requires a US phone number WITH area code. It is written to all users to enter whatever delimiters they want or no delimiters at all (i.e. 111-222-3333, or 111.222.3333, or (111) 222-3333, or 1112223333, etc...).

Matches US phone number format. 1 in the beginning is optional, area code is required, spaces or dashes can be used as optional divider between number groups. Also alphanumeric format is allowed after area code.

US Phone number that accept a dot, a space, a dash, a forward slash, between the numbers. Will Accept a 1 or 0 in front. Area Code not necessary

It checks for Valid US Phone numbers. Accepts ".",Space,\,/,- as delim.

This regular expression matches 10 digit US Phone numbers in different formats. Some examples are 1)area code in paranthesis. 2)space between different parts of the phone number. 3)no space between different parts of the number. 4)dashes between parts.

Validates US phone numbers. Phone number can be delimited with dashes or spaces. Area code can optionally include parentheses. To optionally validate area codes, try this expression. ^([\(]{1}[0-9]{3}[\)]{1}[ |\-]{0,1}|^[0-9]{3}[\-| ])?[0-9]{3}(\-| ){1}[0-9]{4}$

More permissive than others on the site, this one allows you to let a user enter US phone numbers in the way they most commonly use, without letting them enter non-valid combinations.

Basic US phone number matching pattern. I found this place and used a regex, so figured I'd share.

US Phone Number: This regular expression for US phone numbers conforms to NANP A-digit and D-digit requirments (ANN-DNN-NNNN). Area Codes 001-199 are not permitted; Central Office Codes 001-199 are not permitted. Format validation accepts 10-digits without delimiters, optional parens on area code, and optional spaces or dashes between area code, central office code and station code. Acceptable formats include 2225551212, 222 555 1212, 222-555-1212, (222) 555 1212, (222) 555-1212, etc. You can add/remove formatting options to meet your needs.

This US phone number edit with restricted format options: Accepts optional parens on area code with or without following space, and dashes between area code, central office code and station code. Formats include only (222) 555-1212 (with or without a space) and 222-555-1212. Conforms to NANP A-digit and D-digit requirements (ANN-DNN-NNNN). Area Codes 001-199 are not permitted; Central Office Codes 001-199 are not permitted.

This expression is a very simplex expression that allows null values or 3 digits, dash, 3 digits, dash, 4 digits. It validates a basic US phone number. Written by Jason N. Gaylord.

Simple US phone number matching, allowing area code or not. Allows spaces, dashes, dots, or none of the above. Area code, if entered, can be surrounded by parenthesis or not.

Matches any properly entered US phone number (area code, first three, last four) plus support for extensions (optional)

Matches US phone numbers with area code inclosed in parents...

US Phone number with optional leading 1, optional area code, and optional delimiters (hyphen, space or period)

Very flexible phone number entry. -- There are many valid ways to enter a phone number, and often there is other data that a restrictive Regex pattern will not abide. -- This pattern accepts any number of letters, commas, pound signs, slashes, spaces, periods, parenthesis, hyphens, plus signs, and asterisks... but amongst it scans for a minimum of 7 digits (modify {7} to adjust the minimum number of required digits (i.e. 10 for area code + phone number, 18 for long international numbers). -- This pattern does not attempt to restrict the entered phone number format in any way, but instead just verfies that enough digits for one was entered. -- Data in excess of the 7 required digits is allowed. -- I've posted another submission that forces compliance for US phone numbers.

Very flexible US phone number entry. -- There are many valid ways to enter a phone number, and often there is other data that a restrictive Regex pattern will not abide. -- This pattern accepts any number of letters, commas, pound signs, slashes, spaces, periods, parenthesis, hyphens, plus signs, and asterisks... but amongst it scans for a minimum of 10 digits, the first and fourth of which cannot be 0 or 1 (per US phone number standards in 2006). -- Data in excess of the 10 required digits is allowed.

This is a fairly forgiving phone number match. It's original purpose was to extract phone numbers from the details field in our database and into their own phone number table. It worked brilliantly. Enjoy!