## mark a section (Learn more)

class String def clean patterns = [ {:pattern => /[\s+|\/|\\]/, :replacement => '_' }, # replace whitespace and slashes with underscores {:pattern => /[^a-z|0-9|_]/, :replacement => '' }, # remove non alphanumeric/underscore characters {:pattern => /__*/, :replacement => '_' } # remove multiple underscores ] cleaned = self.underscore patterns.each { |set| cleaned.gsub!(set[:pattern], set[:replacement]) } cleaned end end

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