| 码 | 产量 |
|---|---|
\' | 单引号 |
\" | 双引号 |
\\ | 反斜线 |
\n | 新队 |
\r | 回车 |
\t | 标签 |
\b | 退格 |
\f | 形式饲料 |
myStr 。 第一行您将需要使用转义序列正确插入特殊字符。您还需要按照上面的间距来跟踪,在转义序列或单词之间没有空格。这是写出转义序列的文本。
\第二行
ThirdLine
FirstLinenewlinetabbackslashSecondLinenewlineThirdLine
myStr不应包含任何空格
testString: 'assert(!/ /.test(myStr), "myStr should not contain any spaces");'
- text: myStr应包含的字符串FirstLine , SecondLine和ThirdLine (记住区分大小写)
testString: 'assert(/FirstLine/.test(myStr) && /SecondLine/.test(myStr) && /ThirdLine/.test(myStr), "myStr should contain the strings FirstLine, SecondLine and ThirdLine (remember case sensitivity)");'
- text: FirstLine后面应跟换行符\n
testString: 'assert(/FirstLine\n/.test(myStr), "FirstLine should be followed by the newline character \n");'
- text: myStr应该包含一个制表字符\t ,它跟在换行符后面
testString: 'assert(/\n\t/.test(myStr), "myStr should contain a tab character \t which follows a newline character");'
- text: SecondLine应该以反斜杠字符\\开头
testString: 'assert(/\SecondLine/.test(myStr), "SecondLine should be preceded by the backslash character \\");'
- text: SecondLine和ThirdLine之间应该有换行符
testString: 'assert(/SecondLine\nThirdLine/.test(myStr), "There should be a newline character between SecondLine and ThirdLine");'
```