Regular Expressions 101

Non-Capturing Group(?: *[-+().]? *\d){6,14}

{6,14}repeats the group contents below between 6 and 14 times:

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Character Class[-+().]?

?matches at most one character from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

\da digit

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

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Search reference

Regular Expression

(?: *[-+().]? *\d){6,14}

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