starts_with? and ends_with? for Ruby
class String
def starts_with?(prefix)
prefix = prefix.to_s
self[0, prefix.length] == prefix
end
def ends_with?(suffix)
suffix = suffix.to_s
self[-suffix.length..-1] == suffix
end
end
class String
def starts_with?(prefix)
prefix = prefix.to_s
self[0, prefix.length] == prefix
end
def ends_with?(suffix)
suffix = suffix.to_s
self[-suffix.length..-1] == suffix
end
end