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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. Unlike keyword searching, regex searching is by default case-sensitive, does not ignore punctuation, and operates directly on the page source (MediaWiki markup) rather than on the ...
Regular expressions are used in search engines, in search and replace dialogs of word processors and text editors, in text processing utilities such as sed and AWK, and in lexical analysis. Regular expressions are supported in many programming languages. Library implementations are often called an "engine", [4] [5] and many of these are ...
Regular Expression Flavor Comparison – Detailed comparison of the most popular regular expression flavors; Regexp Syntax Summary; Online Regular Expression Testing – with support for Java, JavaScript, .Net, PHP, Python and Ruby; Implementing Regular Expressions – series of articles by Russ Cox, author of RE2; Regular Expression Engines
This following invocation finds netmasks in file myfile, but also any other word that can be derived from it, given no more than two substitutions. agrep -2 netmasks myfile. This example generates a list of matches with the closest, that is those with the fewest, substitutions listed first. The command flag -B means "best": agrep -B netmasks myfile
While PCRE originally aimed at feature-equivalence with Perl, the two implementations are not fully equivalent. During the PCRE 7.x and Perl 5.9.x phase, the two projects coordinated development, with features being ported between them in both directions. [5] In 2015, a fork of PCRE was released with a revised programming interface (API).
The following is a list of English words without rhymes, called refractory rhymes—that is, a list of words in the English language that rhyme with no other English word. The word "rhyme" here is used in the strict sense, called a perfect rhyme , that the words are pronounced the same from the vowel of the main stressed syllable onwards.
rhymes per OED, though both have alt. pronunciations denizen venison rhymes per OED does not rhyme in GA different odoriferent, proliferent, vociferent rhyme per OED eighth weighth: likely /eitθ/ vs. /eiθ/ elbow beelbow: this is the same word experiment merriment rhyme per OED flange gange (protect fishhook w a wire) rhymes per OED film pilm
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