Expressions

perlrecharclass package contains Perl regular expression character classes. The top level documentation about Perl regular expressions is found in perlre. This manual page discusses the syntax and use of character classes in Perl Regular Expressions. A character class is a way of denoting a... Platforms: *nix

Kodos is a Python GUI utility for creating, debugging and testing regular expressions for the Python programming language. Kodos should aid any developer to efficiently and effortlessly develop regular expressions in Python. Since Pythons implementation of regular expressions is based on the... Platforms: *nix

KFileManagerUtils project is a simple utility which adds several shell extensions to Konqueror: - Copy path to clipboard: copy the path(s) of the selected element(s) to the clipboard - Copy URL to clipboard: copy the url(s) of the selected element(s) to the clipboard - Regex Rename: popup a... Platforms: *nix

DFA::Kleene is a Kleenes Algorithm for Deterministic Finite Automata. Calculates the "language" (set of words) accepted (= recognized) by a Deterministic Finite Automaton. SYNOPSIS use DFA::Kleene qw(initialize define_accepting_states define_delta kleene example); use DFA::Kleene... Platforms: *nix

Logdigest mails interesting lines from log files to the system administrator. Non-relevant lines are filtered out by customizable regular expressions. Logdigest comes with a set of such regexps to provide a good starting point. Platforms: Mac

Lambda project is a Lambda calculus interpreter. It reduces lambda expressions and converts them into the S, K, and I combinators (ext). It has the ability to associate names with lambda expressions (def), load definitions from a file (load), and list current definitions (list). Lambda... Platforms: *nix

Regexp::Wildcards is a Perl module that converts wildcard expressions to Perl regular expressions. SYNOPSIS use Regexp::Wildcards qw/wc2re/; my $re; $re = wc2re a{b?,c}* => unix; # Do it Unix style. $re = wc2re a?,b* => win32; # Do it Windows style. $re = wc2re *{x,y}? => jokers; #... Platforms: *nix

htmlobserver project is a program that downloads a Web page at regular intervals, and searches it for regular expressions. All HTML tags are removed, and the remaining text is searched for regular expressions, which can be defined in a list. Matching rows are displayed in a panel, and... Platforms: *nix

Middle-School (grades 5 through 9) math program. Students solve crossnumber puzzles by evaluating simple expressions. Program uses only positive integers. Platforms: Mac

RegexPlor is a tool for interactively exploring regular expressions. It provides a graphic frontend for experimenting with such regular expressions in a intuitive way. You can edit an input text as well as a regular expression as well as colors for matched text, etc. and study various effects at... Platforms: Mac

Calc Thingy allows you to type expressions for evaluation and hit enter. No more order of operations thinking on your part. Lots of operations, simple syntax and forgiving behaviour. Platforms: Mac

Safari Guide is a free application for Mac OS X Tiger that allows developers to evaluate arbitrary XPath, XQuery, and JavaScript expressions against the current frontmost Safari webpage. Using Safari Guide is easy... Open a webpage or XML document in a Safari browser window. Launch Safari Guide... Platforms: Mac

A useful widget for trying out regular expressions for JavaScript, and other languages (such as Sed, Ruby, or Perl). It has a simple user interface, case insensitive switch, global switch, and match index array view. Platforms: Mac

RegExpress is a tool for testing regular expressions, it has a straightforward interface which helps to get your test done quickly. Platforms: Mac

Use the Limagito FileMover to move your files from anywhere to anywhere. This file mover automation tool can copy, move or delete files that are added to a specific folder. You can set file and directory filters based on the file name, date and size. Also rename, encrypt or decrypt files and... Platforms: Windows

Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors. Maxima yields high... Platforms: Mac, Linux

The included services can be used calculate the mathematical result of expressions within the selected text in any application. The result can replace the selected text, be inserted after it, or be spoken out loud. Services can be invoked via the services menu, contextual menu or through... Platforms: Mac

A translation tool, It translates single words, text, phrases, and expressions.Translation is carried out by placing the cursor over a word, and hitting an activation combination. (either keyboard, or keyboard + mouse). When a word is clicked, the surrounding text is also being analyzed for... Platforms: Mac

A powerful mathematical expressions editor. Formulator is aware of presentation and semantics face of mathematics, and so it allows not only to visually edit, but also to calculate simple Content MathML formulas (numbers, sets, linear algebra). Exporting functions includes MathML text, XHTML... Platforms: Mac

A stand-alone equation editor application for editing any mathematical expressions and symbols with easy-to-use graphical interface and various powerful features. MathMagic Personal Edition works well with any word processors including Pages, AppleWorks, Nisus and Mellel, presentation software... Platforms: Mac