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regular_expression [2008/09/10 10:07] vkuncak |
regular_expression [2009/09/14 00:48] vkuncak |
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(1|2|3|4|5|6|7|8|9)(0|1|2|3|4|5|6|7|8|9)* | (1|2|3|4|5|6|7|8|9)(0|1|2|3|4|5|6|7|8|9)* | ||
+ | |||
+ | **Example:** let $\Sigma = \{ b, e, r, c, o, k \}$ | ||
+ | |||
+ | (be*r + coke)* | ||
+ | |||
+ | denotes the set of strings that include: | ||
+ | |||
+ | br, ber, beer, beeer, ... , coke, brcoke, ... , berbrcokecokebeeer | ||
Notes: | Notes: |