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regular_expression [2008/09/10 10:07] vkuncak |
regular_expression [2009/09/14 00:47] 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, ..., brbrcokecokebeeer | ||
| Notes: | Notes: | ||