Kleene star
<text> (Or “Kleene closure”, named after Stephen Kleene) The postfix “*” operator used in regular expressions, Extended Backus-Naur Form, and similar formalisms to specify a match for zero or more occurrences of the preceding expression.
For example, the regular expression “be*t” would match the string “bt”, “bet”, “beet”, “beeeeet”, and so on.
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asterisk Kleene closure regular expression Stephen Kleene |
Kleene, Stephen Cole Klerer-May System KLOC klone KL-ONE |
