Search can also handle regular expressions, a sophisticated exact-string and string-pattern search tool that is not offered by most public search engines. The search engine also supports special characters and parameters to extend the power of searches and allow users to make their search strings more specific.Īdvanced features of the Wikipedia search engine include multi-word proximity-searches (in which the user indicates how close the words in a phrase might be), wildcard searches, "fuzzy~" searches (handles typo-correction and questionable spelling), and several wiki-oriented operators and parameters for weighting and filtering. Wikipedia's searches can be made domain-specific (i.e., search in desired namespaces). However, search can instantly search all 55,334,426 pages on the wiki when the search is kept to a simple word or two. The maximum search string is 300 characters long. But, you can force it to show you other pages that include your search string by including a tilde character ~ anywhere in the query. The search box will navigate directly to a given page name upon an exact match. Wikipedia uses a powerful search engine, with a search box on every page.
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