Search results
Results from the WOW.Com Content Network
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
As of Perl 5.10, PCRE is also available as a replacement for Perl's default regular-expression engine through the re::engine::PCRE module. The library can be built on Unix, Windows, and several other environments.
Every regular expression can be written solely in terms of the Kleene star and set unions over finite words. This is a surprisingly difficult problem. As simple as the regular expressions are, there is no method to systematically rewrite them to some normal form. The lack of axiom in the past led to the star height problem.
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]
On the other hand, findstr supports regular expressions, which find does not. The findstr program was first released as part of the Windows 2000 Resource Kit under the name qgrep. [6] findstr cannot search for null bytes commonly found in Unicode computer files. [7]
EmEditor is a lightweight extensible commercial text editor for Microsoft Windows.It was developed by Yutaka Emura of Emurasoft, Inc. It includes full Unicode support, 32-bit and 64-bit builds, syntax highlighting, find and replace with regular expressions, vertical selection editing, editing of large files (up to 248 GB or 2.1 billion lines), and is extensible via plugins and scripts. [2]
For Unix (To compile under OSX 10.8, add -Wno-return-type to the CFLAGs = -O line in the Makefile) See also TRE regexp matching package; cgrep a defunct command line approximate string matching tool; nrgrep a command line approximate string matching tool; agrep as implemented in R
Listary is a desktop search utility for Microsoft Windows that can search for files on a computer. It works with items in File Explorer, ... Regular expression support.