| 1. | Matches any one lower case letter
匹配任何一个小写字母。 |
| 2. | For capital letters with the lower case letters to scale the capital letters
试译：带小写字母的大写字母应放大为大写字母？ （什么意思呢？ ） |
| 3. | Precaution 3 : our passwords should consist of a combination of numbers , upper and lower case letters
个人守则之三：我们的个人密码应该采用由数字及大小写英文字母混合而成的组合。 |
| 4. | Please check the address ( url ) , making sure that upper and lower case letters , dots and slashes are entered correctly . then please try again
请检查网址( url ) ，确保大、小写字母、点号和斜线号输入正确，然后重新再试。 |
| 5. | Write your messages just like you would a sales letter . use upper and lower case letters ( not all capitals ) and complete words ( no abbreiations )
让你的推广信看起来像推广信，不要全用大写字母，也不要用缩写，写全称。 |
| 6. | Write your messages just like you would a sales letter . use upper and lower case letters ( not all capitals ) and complete words ( no abbreviations )
让你的推广信看起来像推广信，不要全用大写字母，也不要用缩写，写全称。 |
| 7. | Base64 encoding uses a 65 character subset of ascii , encompassing the upper and lower case letters , the numeric digits , and a few punctuation characters
Base64编码使用由ascii中65个字符组成的一个子集，包括大小写字母、数字和一些标点字符。 |
