regex101: Phone number regex

^start of line

\s*a Unicode whitespace character, repeated any number of times

Non-Capturing Group(?:\+?(\d{1,3})\s*)?

?repeats the group contents below at most once:

\+?optionally matches the literal + (43₁₀ / 53₈ / 2B₁₆)

Group 1(\d{1,3})

\d{1,3}a Unicode decimal digit, repeated between 1 and 3 times

\s*a Unicode whitespace character, repeated any number of times

Group 2(\s?$?\d{2}$\s?)?

?repeats the group contents below at most once:

\s?optionally matches a Unicode whitespace character

\(?optionally matches the literal ( (40₁₀ / 50₈ / 28₁₆)

\d{2}a Unicode decimal digit, repeated exactly 2 times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\s?optionally matches a Unicode whitespace character

Group 3(\s?[-. (]*(\d{3})[-. )]*)?

?repeats the group contents below at most once:

\s?optionally matches a Unicode whitespace character

Character Class[-. (]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 4(\d{3})

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

Character Class[-. )]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

Group 5((\d{3,4})[-. ]*(\d{2,5})(?:[-.x ]*(\d+))?)

Group 6(\d{3,4})

\d{3,4}a Unicode decimal digit, repeated between 3 and 4 times

Character Class[-. ]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 7(\d{2,5})

\d{2,5}a Unicode decimal digit, repeated between 2 and 5 times

Non-Capturing Group(?:[-.x ]*(\d+))?

?repeats the group contents below at most once:

Character Class[-.x ]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

xthe literal x (120₁₀ / 170₈ / 78₁₆) (case sensitive)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 8(\d+)

\d+a Unicode decimal digit, repeated at least once

\s*a Unicode whitespace character, repeated any number of 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

Search reference

Regular Expression

^\s*(?:\+?(\d{1,3})\s*)?(\s?\(?\d{2}\)\s?)?(\s?[-. (]*(\d{3})[-. )]*)?((\d{3,4})[-. ]*(\d{2,5})(?:[-.x ]*(\d+))?)\s*$

Unit Tests

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