Regular Expressions 101

^start of line

Character Class[+]?

?matches at most one character from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

Group 1(\d{3,4})

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

Character Class[\s.-]?

?matches at most one character from the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2(\d{2,9})?

?repeats the group contents below at most once:

\d{2,9}a digit, repeated between 2 and 9 times

Group 3([\s.-])?

?repeats the group contents below at most once:

Character Class[\s.-]

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 4(\d{2,3})

\d{2,3}a digit, repeated between 2 and 3 times

Character Class[\s.-]?

?matches at most one character from the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 5(\d{2,3})

\d{2,3}a digit, repeated between 2 and 3 times

$end of line

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^[+]?(\d{3,4})[\s.-]?(\d{2,9})?([\s.-])?(\d{2,3})[\s.-]?(\d{2,3})$

New

+777 777 777 777
+777.777.777.777
+777 777777777
+777-777-777-777
+777777777777
7777 777 777
7777 777777
7777.777.777
7777-777-777
777-777-777
777.777.777
7777777777
7777 77 77 77
7777.77.77.77
7777-77-77-77

Regular Expression

Extraction