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List of regular expression libraries Name Official website Programming language Software license Used by Boost.Regex [Note 1] Boost C++ Libraries: C++: Boost: Notepad++ >= 6.0.0, EmEditor: Boost.Xpressive Boost C++ Libraries: C++ Boost DEELX RegExLab: C++ Proprietary FREJ [Note 2] Fuzzy Regular Expressions for Java: Java: LGPL GLib/GRegex [Note ...
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 .
RE2 is a software library which implements a regular expression engine. It uses finite-state machines, in contrast to most other regular expression libraries. RE2 supports a C++ interface. RE2 was implemented by Google and Google uses RE2 for Google products. [3]
String functions are used in computer programming languages to manipulate a string or query information about a string (some do both).. Most programming languages that have a string datatype will have some string functions although there may be other low-level ways within each language to handle strings directly.
HTML, CSS, JavaScript, C++: No cost: MIT: BBEdit: Rich Siegel 1992 ... Regex-based find & replace Encoding conversion Newline conversion Multiple undo/redo
Besides the built-in RE/flex POSIX regex pattern matcher, RE/flex also supports PCRE2, Boost.Regex and std::regex pattern matching libraries. PCRE2 and Boost.Regex offer a richer regular expression pattern syntax with Perl pattern matching semantics, but are slower due to their intrinsic NFA-based matching algorithm.
Find and Replace with various data types and regular expressions; Find and Replace across multiples files; Unlimited undo and redo; Column Mode Editing; Supports 30 different character encodings (e.g. ASCII, ANSI, Unicode, UTF-8) plus custom encodings and conversions; ASCII, Unix, Mac and Unicode linefeed support including visualizing whitespace
LE is a text editor which appears something like the Norton Editor, but has many additional features: [2] [3] [4]. Rectangle select/copy/paste (block type is switchable) Search/replace with regular expressions