unless String.method_defined? :remove
class String
# Removes all occurrences of a pattern in a string.
#
# @return [String] a new string without any occurrences of the pattern.
def remove(pattern)
dup.remove!(pattern)
end
# Removes all occurrences of a pattern in a string.
#
# @return [String] the string without any occurrences of the pattern.
def remove!(pattern)
gsub!(pattern, '')
end
end
end