Regular Expressions 101

^start of line

Character Class[-()+ .]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:[0-9]+[-()+ .]+)+

+repeats the group contents below at least once:

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Character Class[-()+ .]+

+matches at least one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

$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

No unit tests · Add a test to get started

Search reference

Regular Expression

^[-()+ .]?(?:[0-9]+[-()+ .]+)+[0-9]+$

There are no unit tests, click to add some.