Ruby Slug Generator

slug

def createSlug(title)
	maxlength = 35
	title = title.gsub(' ', '-').gsub(/[^\w-]/, '').gsub(/(-){2,}/, '-').downcase
	return title[0, title.length > maxlength ? (title[0, maxlength].rindex('-') or maxlength) : maxlength]
end

This is a little slug generator for ruby.

features
1 removes all non alphanumeric and dash characters
2 removes any repeating dashes
3 strips special characters, but does so in a way that slugs will always be maxlength if they can be

it's enough return title[0, maxlength]
the sample:

2.4.1 :012 > "qwertyuiopasdfghjkl"[0,10]
# => "qwertyuiop"
2.4.1 :013 > "qwertyuiopasdfghjkl"[0,100]
# => "qwertyuiopasdfghjkl"