method

prerelease?

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prerelease?() public

A version is considered a prerelease if it contains a letter.

# File lib/rubygems/version.rb, line 288
  def prerelease?
    unless instance_variable_defined? :@prerelease
      @prerelease = !!(@version =~ /[a-zA-Z]/)
    end
    @prerelease
  end

prerelease?

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