Regular Expressions 101

Character Class[\(+\/\\]?

?matches at most one character from the set below:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Group 1(\d[+\/\\ -]*){10,11}

{10,11}repeats the group contents below between 10 and 11 times:

\da digit

Character Class[+\/\\ -]*

*matches any number of characters from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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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25 tokens

Regular Expression

[\(+\/\\]?(\d[+\(\)\/\\ -]*){10,11}

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