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C 特殊字符


字符串 - 特殊字符

因为字符串必须用引号括起来,所以 C 会误解此字符串,并生成错误

char txt[] = "We are the so-called "Vikings" from the north.";

解决此问题的办法是使用**反斜杠转义字符**。

反斜杠 (\) 转义字符将特殊字符转换为字符串字符

转义字符 结果 描述
\' ' 单引号
\" " 双引号
\\ \ 反斜杠

序列 \"  在字符串中插入双引号

示例

char txt[] = "We are the so-called \"Vikings\" from the north.";
自己试试 »

序列 \'  在字符串中插入单引号

示例

char txt[] = "It\'s alright.";
自己试试 »

序列 \\  在字符串中插入单个反斜杠

示例

char txt[] = "The character \\ is called backslash.";
自己试试 »

C 中其他常用的转义字符是

转义字符 结果 试试
\n 换行 自己试试 »
\t 制表符 自己试试 »
\0 空字符 自己试试 »


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