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# frozen_string_literal: true
# monkey-patch String class
class String
def unwrap
s = self
s = s[1..s.length - 1] if s.start_with?('(')
s = s[0..s.length - 2] if s.end_with?(')')
s
end
def range_present?
!empty?
end
def number?
!!Integer(self, exception: false)
end
def initial
self[0, 1]
end
def unquote
delete_suffix('"').delete_prefix('"').delete_suffix('\'').delete_prefix('\'')
end
def csv_unquote
unquote.unquote.unquote
end
def remove_trailing_number
gsub(/([^\d]*)\d+$/, '\1')
end
def chars_only
gsub(/[^0-9A-Za-z]/, '')
end
end
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