Regular Expressions 101

1st Alternative[(]?(((\d)([() .-]+)?)+){7,15}

Character Class[(]?

?matches at most one character from the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1(((\d)([() .-]+)?)+){7,15}

{7,15}repeats the group contents below between 7 and 15 times:

Group 2((\d)([() .-]+)?)+

+repeats the group contents below at least once:

Group 3(\d)

\da digit

Group 4([() .-]+)?

?repeats the group contents below at most once:

Character Class[() .-]+

+matches at least one character from the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

2nd Alternative\*\d{3,10}

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\d{3,10}a digit, repeated between 3 and 10 times

3rd Alternative\d{3,10}\*

\d{3,10}a digit, repeated between 3 and 10 times

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

[(]?(((\d)([() .-]+)?)+){7,15}|\*\d{3,10}|\d{3,10}\*

New

212-5551212
1-2-3-4-5-6-7-
(734) 555 1212
(734) 555.1212
(734) 555-1212
(734) 5551212
(734)5551212

212-5551212
1-2-3-4-5-6-7-
(734) 555 1212
(734) 555.1212
(734) 555-1212
(734) 5551212
(734)5551212