backtracking

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A fundamental feature of regular expression matching involves the notion called backtracking, which is currently used (when needed) by all regular non-possessive expression quantifiers, namely, and {n, m}?.

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Definitions (4)

Toggle American Heritage definitions American Heritage Dictionary (3)

  1. intransitive verb To go back over the course by which one has come.
  2. intransitive verb To return to a previous point or subject, as in a lecture or discussion.
  3. intransitive verb To reverse one's position or policy.

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Examples (34)

 

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This word has been looked up 8 times.

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