Mathematical Expressions

Regex Tutorial, Examples and Reference - Regexp Patterns. A regular expression (regex or regexp for short) is a special text string for describing a search pattern. You can think of regular expressions as wildcards on steroids. You are probably familiar with wildcard notations such as *.txt to... Platforms: Any

Language::Basic::Expression is a Perl package to handle string, numeric, and boolean expressions. SYNOPSIS See Language::Basic for the overview of how the Language::Basic module works. This pod page is more technical. # Given an LB::Token::Group, create an expression I parse it my $exp =... Platforms: *nix

Getopt::Declare is a Perl module with Declaratively Expressed Command-Line Arguments via Regular Expressions. SYNOPSIS use Getopt::Declare; $args = Getopt::Declare->new($specification_string, $optional_source); # or: use Getopt::Declare $specification_string => $args; Getopt::Declare... Platforms: *nix

regexxer project is a nifty search/replace tool featuring Perl-style regular expressions. It features recursive search through directory trees and Perl-style regular expressions (using libpcre). The user interface is similar to the project-wide search/replace dialog in the Sniff+ IDE, but... Platforms: *nix

Regexp::Assemble is Perl module to assemble multiple Regular Expressions into a single RE. SYNOPSIS use Regexp::Assemble; my $ra = Regexp::Assemble->new; $ra->add( ab+c ); $ra->add( ab+- ); $ra->add( awd+ ); $ra->add( ad+ ); print $ra->re; # prints a(?:w?d+|b+[-c]) Regexp::Assemble... Platforms: *nix

Tie::Hash::RegexKeys will match hash keys using Regular Expressions. SYNOPSIS use Tie::Hash::RegexKeys; use Data::Dumper; my %h; tie %h, Tie::Hash::RegexKeys; my $a = .1.2.3.4.5.6.2; my $b = .1.2.3.4.5.7; my $c = .1.2.3.4.5.6.1; my $d = .1.2.3.4.5.6.1.6; $h{$a}="key1";... Platforms: *nix

Regexx is a complete regular expressions C++ solution. Regexx implements easy expression execution, global searching, replace with atom substitution, customized replaces, easy match/atom string retrieving, and splitting strings with strings or regular expressions.. Get Regexx at... Platforms: *nix

HSH project is designed to let you mix and match shell expressions with Haskell programs. With HSH, it is possible to easily run shell commands, capture their output or provide their input, and pipe them to/from other shell commands and arbitrary Haskell functions at will. Here are a few... Platforms: *nix

ocl4java project lets you add special Java 5 annotations containing OCL expressions with pre and post conditions and invariants to your code, and have source code to check them inserted automatically either by ant or eclipse. Upon failing an assertion, an AssertionError, exception, log message,... Platforms: *nix

Search::Tools::RegExp is a Perl module to build regular expressions from search queries. SYNOPSIS my $regexp = Search::Tools::RegExp->new(); my $kw = $regexp->build(the quick brown fox); for my $w ($kw->keywords) { my $r = $kw->re( $w ); # the word itself printf("the word is %sn",... Platforms: *nix

Search::Tools::RegExp::Keywords is a Perl module to access regular expressions for keywords. SYNOPSIS my $regexp = Search::Tools::RegExp->new(); my $kw = $regexp->build(the quick brown fox); for my $w ($kw->keywords) { my $r = $kw->re( $w ); } Search::Tools::RegExp::Keywords provides... Platforms: *nix

ShiftJIS::Regexp contains regular expressions in Shift-JIS. SYNOPSIS use ShiftJIS::Regexp qw(:all); match($string, p{Hiragana}{2}p{Digit}{2}); match($string, pH{2}pD{2}); # these two are equivalent: This module provides some functions to use regular expressions in Shift-JIS on the... Platforms: *nix

Unicode::Regex::Set is a subtraction and intersection of Character Sets in Unicode Regular Expressions. SYNOPSIS use Unicode::Regex::Set qw(parse); $regex = parse([p{Latin} & p{L&} - A-Z]); Perl 5.8.0 misses subtraction and intersection of characters, which is described in Unicode Regular... Platforms: *nix

HTML::Template::Expr module provides an extension to HTML::Template which allows expressions in the template syntax. HTML::Template::Expr module is purely an addition--all the normal HTML::Template options, syntax, and behaviors will still work. Expression support includes comparisons, math... Platforms: *nix

Basically an equation editor, however not focused over one single equation, but you can write your mathematical artwork over several pages. You can easily move and copy your equations and expressions by mouse touch. Illustrate your equations using hand-drawing tools. Use symbolic calculator and... Platforms: Windows

JavaView is a simple, easy to use application designed to offer you a 3D geometry viewer and a mathematical visualization software. The open API of JavaView enables a smooth integration as 3D viewer and advanced visualization toolkit into commercial software. Note: In order to use this... Platforms: Windows

The Mathpad Draw application was designed to create static drawings of various mathematical objects. It is not a calculator, but there are some calculator aspects. Within the program, animation of several drawing types is possible. Not only is this fun to watch, it can be very informative about... Platforms: Windows

TFunctionParser is an Automation/COM server that parses mathematical functions and evaluates them at runtime. About 100 functions and operations are predefined. The user can define variables, constants and functions. for WindowsAll Platforms: Windows

The mathematical console SigmaConsole supports the most common and useful functions. It's easy to use: to evaluate an expression, simply write it, using operators (+ - * / ^), parenthesis and mathematical functions and press ENTER. You can also use the numeric keypad to enter numbers and... Platforms: Windows

EqualX is a handy, easy to use tool specially designed to offer you an interactive equation editor that helps you create mathematical notation for word processing, web pages, desktop publishing, presentations, elearning in LaTeX. EqualX gives you the power and beauty of TeX/LaTeX for writing... Platforms: Windows