regex101: US Telephone Number

Pro

^start of line

Group 1([\+]?[1]?[\s]?(\d{3}|$\d{3}$))

Character Class[\+]?

?matches at most one character from the set below:

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Character Class[1]?

?matches at most one character from the set below:

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[\s]?

?matches at most one character from the set below:

\sany whitespace character

Group 2(\d{3}|$\d{3}$)

1st Alternative\d{3}

\d{3}a digit, repeated exactly 3 times

2nd Alternative$\d{3}$

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\d{3}a digit, repeated exactly 3 times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[\-|\s]?

?matches at most one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\sany whitespace character

\d{3}a digit, repeated exactly 3 times

Character Class[\-|\s]?

?matches at most one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

\sany whitespace character

\d{4}a digit, repeated exactly 4 times

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

26 tokens

Regular Expression

^([\+]?[1]?[\s]?(\d{3}|\(\d{3}\)))[\-|\s]?\d{3}[\-|\s]?\d{4}$

(555)
555-555-5555
(555)555-5555
(555) 555-5555
555 555 5555
5555555555

1-(555)5555555
555555555
55 555 5555
+1555 5555555
1 555 555 5555
1 (555) 555-5555
-1 (757) 622-7382
+1 (757) 622-7382
123**&!!asdf#
(6505552368)
1 555)555-5555
1 (555 555-5555
(555-555-5555

(\+|\+1|\+1\-|1\-|1)?(\s)?((\([0-9]{3}\)|[0-9]{3}))(\s|\-)([0-9]{3})(\s|\-)?([0-9]{3,4})


(?:(?:\+?
1
\s*
(?:[.-]\s*)?)?
(?:\(\s*([2-9]1[02-9]|[2-9][02-8]1|
[2-9][02-8][02-9])\s*\)|
(
[2-9]1[02-9]|
[2-9][02-8]1|
[2-9][02-8][02-9]))\s*
(?:[.-]\s*)?
)?
([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?
([0-9]{4})
(?:\s*(?:#|x\.?|ext\.?|extension)\s*
(\d+)
)?

Extraction

(555)
555-555-5555
(555)555-5555
(555) 555-5555
555 555 5555
5555555555

1-(555)5555555
555555555
55 555 5555
+1555 5555555
1 555 555 5555
1 (555) 555-5555
-1 (757) 622-7382
+1 (757) 622-7382
123**&!!asdf#
(6505552368)
1 555)555-5555
1 (555 555-5555
(555-555-5555

(\+|\+1|\+1\-|1\-|1)?(\s)?((\([0-9]{3}\)|[0-9]{3}))(\s|\-)([0-9]{3})(\s|\-)?([0-9]{3,4})


(?:(?:\+?
1
\s*
(?:[.-]\s*)?)?
(?:\(\s*([2-9]1[02-9]|[2-9][02-8]1|
[2-9][02-8][02-9])\s*\)|
(
[2-9]1[02-9]|
[2-9][02-8]1|
[2-9][02-8][02-9]))\s*
(?:[.-]\s*)?
)?
([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?
([0-9]{4})
(?:\s*(?:#|x\.?|ext\.?|extension)\s*
(\d+)
)?