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A very simple case of a regular expression in this syntax is to locate a word spelled two different ways in a text editor, the regular expression seriali[sz]e matches both "serialise" and "serialize". Wildcard characters also achieve this, but are more limited in what they can pattern, as they have fewer metacharacters and a simple language-base.
grep is a command-line utility for searching plaintext datasets for lines that match a regular expression.Its name comes from the ed command g/re/p (global regular expression search and print), which has the same effect.
Perl Compatible Regular Expressions (PCRE) is a library written in C, which implements a regular expression engine, inspired by the capabilities of the Perl programming language. Philip Hazel started writing PCRE in summer 1997. [ 3 ]
This happens when a regular expression has three properties: the regular expression applies repetition (+, *) to a subexpression; the subexpression can match the same input in multiple ways, or the subexpression can match an input string which is a prefix of a longer possible match;
Sean “Diddy” Combs has been accused in a new lawsuit of dangling a woman from the 17th-floor balcony of an apartment during an altercation.
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A top Costco executive sounded the alarm on the potential consequences of President-elect Donald Trump’s proposed tariffs — warning that it will raise prices of goods across the board. “When ...
Hill Street Tai Hwa Pork Noodle, a Michelin starred Singaporean hawker stall. The Michelin Guide for Singapore was first published in 2016. At the time, Singapore was the first country in Southeast Asia to have Michelin-starred restaurants and stalls, and was one of the four states in general in the Asia-Pacific along with Japan and the special administrative regions (SAR) of Hong Kong and Macau.