| 1. | Non - printing characters may also be part of a regular expression 非打印字符也可以是正则表达式的组成部分。 |
| 2. | The following table lists the escape sequences that represent non - printing characters 下表列出了表示非打印字符的转义序列: |
| 3. | It includes non - printing characters such as spaces , tab characters , and paragraph marks 它包含非打印字符,例如空格、制表符和段落标记。 |
| 4. | The period matches all but one single printing or non - printing character in a string 句点( . )匹配字符串中的各种打印或非打印字符,只有一个字符例外。 |
| 5. | Lists the escape sequences that are used to represent non - printing characters in a regular expression 列出用于表示正则表达式中非打印字符的转义序列。 |
| 6. | Can also help when you are viewing files that contain non - printing character like tabs 还可以在您查看包含如制表符这样的非打印字符的文件时起帮助作用。 |
| 7. | Displays non - printing characters , except line - feed and tab using their " control sequence " equivalents 显示非打印字符,除了换行符和制表符,它们使用各自效果相当的“控制序列” 。 |