String matching: Difference between revisions
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=={{header|Picat}}== |
=={{header|Picat}}== |
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The two most common predicate to use for string matching is find/4 (find a substring) or append/3 (a general purpose reversible predicate for concatenating/splitting lists/strings). Both predicates are non-deterministic and can yield multiple solutions, e.g. together with findall/2. |
The two most common predicate to use for string matching is <code>find/4</code> (find a substring) or <code>append/3</code> (a general purpose reversible predicate for concatenating/splitting lists/strings). Both predicates are non-deterministic and can yield multiple solutions, e.g. together with <code>findall/2</code>. |
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<lang Picat>import util. |
<lang Picat>import util. |
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positions = [[9,16],[21,28]] |
positions = [[9,16],[21,28]] |
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positions = [[5,5],[8,8],[10,10],[17,17],[20,20],[22,22]]</pre> |
positions = [[5,5],[8,8],[10,10],[17,17],[20,20],[22,22]]</pre> |
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=={{header|PicoLisp}}== |
=={{header|PicoLisp}}== |
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