不允许连续的正则表达式 |?| javascript中的字符？
[英]Regular Expression for not allowing consecutive |!| characters in javascript?
问题描述
I have tried the following but it doesn't work:
我尝试了以下方法，但它不起作用：
console.log('aaaa dfdd |!|'.search(/|!|/g));
if(/|!|/g.test("abcd |aaa!|")) alert('true');*
1 个解决方案
解决方案1
1 已采纳 2022-01-24 18:09:47
Both |两者| and !和! are special characters in regular expressions, so you need to escape them:是正则表达式中的特殊字符，因此您需要对它们进行转义：
if(/\|\.\|/g;test("abcd |aaa.|")) alert('wrong'); if(/\|\!\|/g.test("abcd |aaa|!|")) alert('correct');
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