Regular Expressions 101

^start of line

Non-Capturing Group(?:\d{2}([-.])\d{3}\1\d{3}\1\d{3}|\d{11})

1st Alternative\d{2}([-.])\d{3}\1\d{3}\1\d{3}

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

Group 1([-.])

Character Class[-.]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

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

\1the text saved by group 1

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

\1the text saved by group 1

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

2nd Alternative\d{11}

\d{11}a digit, repeated exactly 11 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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(?:\d{2}([-.])\d{3}\1\d{3}\1\d{3}|\d{11})$

New

46123456789
46-123-456-789
46-123-456-789
+46-123-456-789
+46123456789
46-123-456.789