Regular Expressions 101

Explanation

Pro

1st Alternative^$\d{4}$ ?\d{4}( |-)?\d{4}

^start of line

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\d{4}a digit, repeated exactly 4 times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

\d{4}a digit, repeated exactly 4 times

Group 1( |-)?

?repeats the group contents below at most once:

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative-

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{4}a digit, repeated exactly 4 times

2nd Alternative^\d{4}( |-)?\d{3}( |-)?\d{4}

^start of line

\d{4}a digit, repeated exactly 4 times

Group 2( |-)?

?repeats the group contents below at most once:

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative-

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

Group 3( |-)?

?repeats the group contents below at most once:

1st Alternative

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative-

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d{4}a digit, repeated exactly 4 times

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.

26 tokens

^\(\d{4}\) ?\d{4}( |-)?\d{4}|^\d{4}( |-)?\d{3}( |-)?\d{4}

+0905312527889

+0905312527889