Regular Expressions 101

Pro

^start of string

Non-Capturing Group(?:\+[0-9]{1,3}()|[0-9]{6,10}()){2}

{2}repeats the group contents below exactly 2 times:

1st Alternative\+[0-9]{1,3}()

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Character Class[0-9]{1,3}

{1,3}matches between 1 and 3 characters from the set below:

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

Group 1() — does not consume characters

2nd Alternative[0-9]{6,10}()

Character Class[0-9]{6,10}

{6,10}matches between 6 and 10 characters from the set below:

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

Group 2() — does not consume characters

\1the text saved by group 1

\2the text saved by group 2

$end of string, or before its final line terminator

Detailed match information will be displayed here automatically.

25 tokens

^(?:\+[0-9]{1,3}()|[0-9]{6,10}()){2}\1\2$

New

+3700000000000

+3700000000000