rebus.numbers v0.0-1


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Numeric Extensions for the 'rebus' Package

Build regular expressions piece by piece using human readable code. This package contains number-related functionality, and is primarily intended to be used by package developers.


Project Status: Active - The project has reached a stable, usable state and is being actively developed. Is the package on CRAN? Build Status

rebus.numbers: Regular Expression Builder, Um, Something (Number-Related Functionality)

This package contains number-related functionality for the rebus package. It is primarily intended for other R package developers. For interactive use, try rebus instead.

Build regular expressions in a human readable way

Regular expressions are a very powerful tool, but the syntax is terse enough to be difficult to read. This makes bugs easy to introduce and hard to find. This package contains functions to make building regular expressions easier.


To install the stable version, type:


To install the development version, you first need the devtools package.


Then you can install the rebus.numbers package using


Package contents

number_range creates a regex that matches a range of integers. For example, number_range(-12, 123) generates (?:-(?:[1-9]|1[0-2])|(?:0[0-9]{2}|1[0-1][0-9]|12[0-3])).

roman generates a regex to match roman numerals, and ROMAN provides the constant form. For example roman(2, 3) matches two or three roman numbers.

Functions in rebus.numbers

Name Description
roman Roman numerals
number_range Generate a regular expression for a number range.
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Date 2015-12-16
License Unlimited
LazyLoad yes
LazyData yes
Acknowledgments Development of this package was partially funded by the Proteomics Core at Weill Cornell Medical College in Qatar . The Core is supported by 'Biomedical Research Program' funds, a program funded by Qatar Foundation.
RoxygenNote 5.0.1
Collate 'imports.R' 'number_range.R' 'roman.R'
NeedsCompilation no
Packaged 2015-12-16 09:45:00 UTC; rjc2003
Repository CRAN
Date/Publication 2015-12-16 12:00:14

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