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Java Apache java.util.regex Java's User manual: Java GNU GPLv2 with Classpath exception jEdit: JRegex JRegex: Java BSD MATLAB: Regular Expressions: MATLAB Language: Proprietary Oniguruma: Kosako: C BSD Atom, Take Command Console, Tera Term, TextMate, Sublime Text, SubEthaEdit, EmEditor, jq, Ruby: Pattwo Stevesoft Java (compatible with Java 1.0 ...
Many regex engines support only the Basic Multilingual Plane, that is, the characters which can be encoded with only 16 bits. Currently (as of 2016) only a few regex engines (e.g., Perl's and Java's) can handle the full 21-bit Unicode range. Extending ASCII-oriented constructs to Unicode.
Regular languages are a category of languages (sometimes termed Chomsky Type 3) which can be matched by a state machine (more specifically, by a deterministic finite automaton or a nondeterministic finite automaton) constructed from a regular expression.
If the regex itself is affected by user input, such as a web service permitting clients to provide a search pattern, then an attacker can inject a malicious regex to consume the server's resources. Therefore, in most cases, regular expression denial of service can be avoided by removing the possibility for the user to execute arbitrary patterns ...
In computer science, pattern matching is the act of checking a given sequence of tokens for the presence of the constituents of some pattern.In contrast to pattern recognition, the match usually has to be exact: "either it will or will not be a match."
Online ID-checking services can also charge $1 or more per user, costing the sites exorbitant amounts, said Solomon Friedman, the co-founder of the private equity firm that owns Pornhub.
Regex searches that take too long will "time out" and return only partial results. Overuse of slow regex searches might cause temporary throttling of the feature for yourself and/or everyone on Wikipedia. (However, you cannot affect the site performance of Wikipedia as a whole simply by abusing regex search.) Remember that a single regex search ...
An FT investigation revealed in August how Google helped Meta in a secret marketing project targeting 13- to 17-year-olds who use YouTube, owned by Google-parent Alphabet, to promote Meta's Instagram.