is_numeric

This gem just expand the String class to provide a method called 'numeric?' that verify if a string have a numeric value.

Installation

Add this line to your application's Gemfile:

gem 'is_numeric'

And then execute:

$ bundle

Or install it yourself as:

$ gem install is_numeric

Usage

[1] pry(main)> require 'is_numeric'
=> true

[2] pry(main)> string1 = "Just a test"
=> "Just a test"
[3] pry(main)> string1.numeric?
=> false

[4] pry(main)> string2 = "10.1"
=> "10.1"
[5] pry(main)> string2.numeric?
=> true

[6] pry(main)> string3 = "1"
=> "1"
[7] pry(main)> string3.numeric?
=> true

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/dklima/is_numeric.

License

The gem is available as open source under the terms of the MIT License.