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A regular expression (shortened as regex or regexp), [1] sometimes referred to as rational expression, [2] [3] is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings, or for input validation.
Regular map (algebraic geometry), a map between varieties given by polynomials; Regular point, a non-singular point of an algebraic variety; Regular point of a differentiable map, a point at which a map is a submersion; Regular polygons, polygons with all sides and angles equal Regular polyhedron, a generalization of a regular polygon to higher ...
Americanisms are increasingly common in British English, and many that were not widely used some decades ago, are now so (e.g., regular in the sense of "regular coffee"). American spelling is consistently used throughout this article, except when explicitly referencing British terms.
Usable as a common word: Pierre-Paul-Jacques (with the meaning of "Someone"); [17] Random people (similar to Average John/Jane): Monsieur/Madame Tout-le-monde [citation needed] (Mr/Mrs Everyone), Untel/Unetelle (Mr/Mrs NoName; literally, “a such” and thus similar to the English “so-and-so”), [18] Madame Michu (only female), [19] (M./Mme) Tartempion (familiar and a little satirical); [20]
The Bauer Bodoni typeface, with samples of the three of the fonts in the family: Roman (or regular), bold, and italic.. In metal typesetting, a font (American English) or fount (Commonwealth English) is a particular size, weight and style of a typeface, defined as the set of fonts that share an overall design.
In regular expressions, the period (., also called "dot") is the wildcard pattern which matches any single character. Followed by the Kleene star operator, which is denoted as an asterisk (*), we obtain .*, which will match zero or more arbitrary characters.
AOL provides advanced security products to help prevent attacks, boost your internet speed to browse faster and shop more safely. AOL also offers 24x7 support.
Instead of doing a basic indexed search on keywords, you can perform a regex search, which bypasses the index.A regex search scans the text of each page on Wikipedia in real time, character by character, to find pages that match a specific sequence or pattern of characters.