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contains(string,substring) returns boolean Description Returns whether string contains substring as a substring. This is equivalent to using Find and then detecting that it does not result in the failure condition listed in the third column of the Find section. However, some languages have a simpler way of expressing this test. Related
Examples of conceptual dictionaries are picture dictionaries, thesauri, and visual dictionaries. Onelook.com and Diccionario Ideológico de la Lengua Española (for Spanish) [1] are specific online and print examples. This is sometimes called a reverse dictionary because it organized by concepts, phrases, or the definitions rather than headwords.
In computer science, a substring index is a data structure which gives substring search in a text or text collection in sublinear time. Once constructed from a document or set of documents, a substring index can be used to locate all occurrences of a pattern in time linear or near-linear in the pattern size, with no dependence or only logarithmic dependence on the document size.
An example of the Scunthorpe problem in Wikipedia because of a regular expression identifying "cunt" in the username. The Scunthorpe problem is the unintentional blocking of online content by a spam filter or search engine because their text contains a string (or substring) of letters that appear to have an obscene or otherwise unacceptable meaning.
string" is a substring of "substring" In formal language theory and computer science, a substring is a contiguous sequence of characters within a string. [citation needed] For instance, "the best of" is a substring of "It was the best of times". In contrast, "Itwastimes" is a subsequence of "It was the best of times", but not a substring.
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Simple single-letter substitution ciphers are examples of (ε-free) string homomorphisms. An example string homomorphism g uc can also be obtained by defining similar to the above substitution: g uc (‹a›) = ‹A›, ..., g uc (‹0›) = ε, but letting g uc be undefined on punctuation chars. Examples for inverse homomorphic images are
In this example, we will consider a dictionary consisting of the following words: {a, ab, bab, bc, bca, c, caa}. The graph below is the Aho–Corasick data structure constructed from the specified dictionary, with each row in the table representing a node in the trie, with the column path indicating the (unique) sequence of characters from the root to the node.