Regular Expressions 101

Positive Lookbehind(?<=) — does not consume characters

\d+a digit, repeated at least once

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\d+a digit, repeated at least once

Positive Lookahead(?=) — does not consume characters

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

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26 tokens

Regular Expression

(?<=)\d+_\d+(?=)

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