Regular Expressions 101

Explanation

Pro

Group 1(\![(\!?)>\$]?)

\!the literal ! (33₁₀ / 41₈ / 21₁₆)

Character Class[(\!?)>\$]?

?matches at most one character from the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

\!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

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

(\![(\!?)>\$]?)

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