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2. Comparison of regular expression engines - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_regular...

   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

3. Regular expression - Wikipedia

   en.wikipedia.org/wiki/Regular_expression

   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 .

4. 5 of the best Python courses available for free this week - AOL

   www.aol.com/5-best-python-courses-available...

   FREE COURSES: Kickstart a new career by learning to code. A wide range of beginner-friendly Python courses are available for free on Udemy. You can spend a lot of money enrolling in some online ...

5. Python (programming language) - Wikipedia

   en.wikipedia.org/wiki/Python_(programming_language)

   Python is a high-level, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation. [32] Python is dynamically type-checked and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional ...

6. glob (programming) - Wikipedia

   en.wikipedia.org/wiki/Glob_(programming)

   The ranges are also allowed to include pre-defined character classes, equivalence classes for accented characters, and collation symbols for hard-to-type characters. They are defined to match up with the brackets in POSIX regular expressions. [6] [7] Unix globbing is handled by the shell per POSIX tradition.

7. Python syntax and semantics - Wikipedia

   en.wikipedia.org/wiki/Python_syntax_and_semantics

   Python supports normal floating point numbers, which are created when a dot is used in a literal (e.g. 1.1), when an integer and a floating point number are used in an expression, or as a result of some mathematical operations ("true division" via the / operator, or exponentiation with a negative exponent).

8. Wikipedia:AutoWikiBrowser/Regular expression - Wikipedia

   en.wikipedia.org/.../Regular_expression

   Greed, in regular expression context, describes the number of characters which will be matched (often also stated as "consumed") by a variable length portion of a regular expression – a token or group followed by a quantifier, which specifies a number (or range of numbers) of tokens. If the portion of the regular expression is "greedy", it ...

9. Perl Compatible Regular Expressions - Wikipedia

   en.wikipedia.org/wiki/Perl_Compatible_Regular...

   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 ]