Origin for each line in single_doc/lua_lib/程语_月_基类_字串_内置库_加多.lua from check-in 60c256f91b:

60c256f91b 2024-06-27  顽雨沉风: function string:lstrip()
60c256f91b 2024-06-27  顽雨沉风:   return self:gsub("^%s+", "")
60c256f91b 2024-06-27  顽雨沉风:   end
60c256f91b 2024-06-27  顽雨沉风: function string:rstrip()
60c256f91b 2024-06-27  顽雨沉风:   return self:gsub("%s+$", "")
60c256f91b 2024-06-27  顽雨沉风:   end
60c256f91b 2024-06-27  顽雨沉风: function string:strip()
60c256f91b 2024-06-27  顽雨沉风:   local h1
60c256f91b 2024-06-27  顽雨沉风:   h1 = self:lstrip()
60c256f91b 2024-06-27  顽雨沉风:   return h1:rstrip()
60c256f91b 2024-06-27  顽雨沉风:   end
60c256f91b 2024-06-27  顽雨沉风: function string:startswith(text)
60c256f91b 2024-06-27  顽雨沉风:   if self:sub(1, #text) == text then
60c256f91b 2024-06-27  顽雨沉风:     return self
60c256f91b 2024-06-27  顽雨沉风:     end
60c256f91b 2024-06-27  顽雨沉风:   end
60c256f91b 2024-06-27  顽雨沉风: function string:endswith(text)
60c256f91b 2024-06-27  顽雨沉风:   if self:sub(-#text) == text then
60c256f91b 2024-06-27  顽雨沉风:     return self
60c256f91b 2024-06-27  顽雨沉风:     end
60c256f91b 2024-06-27  顽雨沉风:   end