Javascript 替换javascript中的换行符
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Replacing newline character in javascript
提问by Hyman
I am trying to replaces instances of \ror \ncharacters in my json object with <br />for display on a website.
我正在尝试将json 对象中的实例\r或\n字符替换<br />为用于在网站上显示。
I tried:
我试过：
myString = myString.replace("\r?\n", "<br />");
But this doesn't seem to do anything. When I replace the regex with something else (like "a"for instance, the replace works as expected). Any ideas why this isn't working for the newline chars?
但这似乎没有任何作用。当我用其他东西替换正则表达式时（"a"例如，替换按预期工作）。任何想法为什么这不适用于换行符？
回答by Felipe
Try this:
尝试这个：
myString = myString.replace(/[\r\n]/g, "<br />");
Update:
As told by Pointy on the comment below, this would replace a squence of \r\nwith two <br />, the correct regex should be:
更新：正如 Pointy 在下面的评论中所说，这将\r\n用两个替换一个序列<br />，正确的正则表达式应该是：
myString = myString.replace(/\r?\n/g, "<br />");
回答by Christian Pastor Cruz
CSS:
CSS：
white-space: pre-wrap;
Is a far more eficient method.
是一种更有效的方法。
回答by Vlad Khomich
try replace(/\r\n|\n/, '<br />')
尝试 replace(/\r\n|\n/, '<br />')
回答by Ricardo Ruwer
This worked for me:
这对我有用：
str = str.replace(/\n|\r\n|\r/g, '<br/>');
Using double slash
使用双斜线
