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Feature: Recursion | regexp-features

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A Recursive Expression provides a mechanism for re-evaluating a capture group inside of itself, to handle cases such as matching balanced parenthesis or brackets, etc.

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NOTE: The following syntax is an example based on some of the supported engines. For specific engine support, see Engines.

• (?R) — Reevaluates the entire pattern starting at the current position.
• (?0) — Reevaluates the entire pattern starting at the current position.

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