Regular Expressions 101

Explanation
Pro

Character Class[_%+,."?[\]()]+

+matches at least one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

%the literal % (37₁₀ / 45₈ / 25₁₆)

+the literal + (43₁₀ / 53₈ / 2B₁₆)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

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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