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[英]Escaping parenthesis, brackets and braces with Regex and JavaScript
[英]javascript regex - brackets and parenthesis in character-class
我想匹配以下字符:[]()在javascript的正则表达式中的字符类中,该怎么做?
grep中的解决方案是:( regex-字符类中的括号和括号 )
<script>
var text = "echo some text (some text in parenthesis) [some other in brackets]";
var patt = /[][()]/g
console.log(text.match(patt));
</script>
但是此正则表达式在JS中没有匹配项
您应该转义正则表达式模式内的方括号:
var text = "echo some text (some text in paranthesis) [some other in brackets]",
patt = /[\]\[()]/g;
console.log(text.match(patt)); // ["(", ")", "[", "]"]
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