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Implements template {{Str find word}}. This module looks for a word being present in a comma-separated list of words. It then returns a True or False value. By default, the True-value returned is the found word itself; the False-value is a blank string. For example, in the source string ' foo, bar ' the word ' bar ' appears, but the word ...
It is possible to check multiple words against the source wordlist. AND-words to check |andwords=: can have a wordlist (comma-separated as |source= is). Each word will be checked against the source. When all and-words are found, the return value is True. {{Str find word |source=alpha, beta, gamma, foo, bar |andwords=alpha, foo}} (True) → ...
A simple and inefficient way to see where one string occurs inside another is to check at each index, one by one. First, we see if there is a copy of the needle starting at the first character of the haystack; if not, we look to see if there's a copy of the needle starting at the second character of the haystack, and so forth.
P denotes the string to be searched for, called the pattern. Its length is m. S[i] denotes the character at index i of string S, counting from 1. S[i..j] denotes the substring of string S starting at index i and ending at j, inclusive. A prefix of S is a substring S[1..i] for some i in range [1, l], where l is the length of S.
It is possible to check multiple words against the source wordlist. AND-words to check |andwords=: can have a wordlist (comma-separated as |source= is). Each word will be checked against the source. When all and-words are found, the return value is True. {{Str find word |source=alpha, beta, gamma, foo, bar |andwords=alpha, foo}} (True) → ...
Each character in the string key set is represented via individual bits, which are used to traverse the trie over a string key. The implementations for these types of trie use vectorized CPU instructions to find the first set bit in a fixed-length key input (e.g. GCC 's __builtin_clz() intrinsic function ).
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A string is generally considered as a data type and is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding. String may also denote more general arrays or other sequence (or list) data types and structures.