换码字符 escape character ; ESC EScape Character ; ESC
数据通信换码字符 data link escape character
换码操作符 Escape operator
单字符换码串 Single character escape sequences
换码控制符 [计] escape control character
串换码字符 [计] string escape character
汉字字符交换码 Chinese character code for interchange
数据链路换码字符 DLE
数据传送换码字符 Data Link Escape Character
“额外” 的那个单引号是换码符。
第二个 UDF 执行转换操作，进行换码符替换。
The second UDF performs conversion with substitution escape character replacement.
这个感叹号是换码符，允许您从交互输入模式或批处理模式发出操作系统命令。
The exclamation mark is an escape character that lets you issue operating system commands from either interactive input mode or batch mode.
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