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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 .
Raku rules are the regular expression, string matching and general-purpose parsing facility of the Raku programming language, and are a core part of the language. Since Perl's pattern-matching constructs have exceeded the capabilities of formal regular expressions for some time, Raku documentation refers to them exclusively as regexes, distancing the term from the formal definition.
As of 31 December 2023, 6.5 percent (9,26,24,661) of Indian citizens possessed a valid passport, with Kerala having the highest number of passport holders of all Indian states. Previously, passports were not popular among the masses due to a time-consuming and complicated process and limited access to the passport facilitation centres located ...
Page of a passport with machine-readable zone in the red oval (US passport pictured) Passport booklets have an identity page containing the identity data. This page is in the Today size of 125 × 88 mm (4.92 × 3.46 in). The data of the machine-readable zone consists of two rows of 44 characters each.
Abkhazian passport; Afghan passport; Albanian passport; Algerian passport; Andorran passport; Angolan passport; British passport (Anguilla) Antiguan and Barbudan passport; Argentine passport; Armenian passport; Artsakh passport; Australian passport; Austrian passport; Azerbaijani passport
PCRE's syntax is much more powerful and flexible than either of the POSIX regular expression flavors (BRE, ERE) [4] and than that of many other regular-expression libraries. While PCRE originally aimed at feature-equivalence with Perl, the two implementations are not fully equivalent.
In theoretical computer science and formal language theory, a regular language (also called a rational language) [1] [2] is a formal language that can be defined by a regular expression, in the strict sense in theoretical computer science (as opposed to many modern regular expression engines, which are augmented with features that allow the recognition of non-regular languages).
Mobile numbers which are not local need to be prefixed by a 0 while dialing, or by +91 (91 is the country code for India). A mobile number written as +91-AAAAA BBBBB is valid throughout India, and in other countries where the + is recognized as a prefix to the country code. Since 2015, calls from mobile phones to any other mobiles do not need ...