Regular Expressions 101

^start of line

Non-Capturing Group(?:\+\d(?:$\d{3}$(?:-\d{3}-|\d{3})|\d{6})|\d{6})

1st Alternative\+\d(?:$\d{3}$(?:-\d{3}-|\d{3})|\d{6})

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\da digit

Non-Capturing Group(?:$\d{3}$(?:-\d{3}-|\d{3})|\d{6})

1st Alternative$\d{3}$(?:-\d{3}-|\d{3})

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Non-Capturing Group(?:-\d{3}-|\d{3})

1st Alternative-\d{3}-

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

2nd Alternative\d{3}

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

2nd Alternative\d{6}

\d{6}a digit, repeated exactly 6 times

2nd Alternative\d{6}

\d{6}a digit, repeated exactly 6 times

\d{4}a digit, repeated exactly 4 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(?:\(\d{3}\)(?:-\d{3}-|\d{3})|\d{6})|\d{6})\d{4}$

New

9999999999
+19999999999
+1(999)9999999
+1(999)-999-9999