[英]Add a forward slash between two specific characters with regExp
I know how to delete/replace elements in a string with regExp. 我知道如何使用regExp删除/替换字符串中的元素。 But is it possible to add a character between two specific characters using regExp ?
但是可以使用regExp在两个特定字符之间添加一个字符吗?
I'm already using this regExp to match object properties from the value of a user input : new RegExp("^" + o.replace(/[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\\\^\\$\\|]/g, "\\\\$&") + "$", "i");
我已经在使用此regExp从用户输入的值中匹配对象属性:
new RegExp("^" + o.replace(/[\\-\\[\\]\\/\\{\\}\\(\\)\\*\\+\\?\\.\\\\\\^\\$\\|]/g, "\\\\$&") + "$", "i");
This line works just fine for my needs except for adding a forward slash between two specific characters : whenever 'k' is followed by 'm', I need to add a forward slash between them to match the properties of this object : 除了在两个特定字符之间添加正斜杠外,此行可以满足我的需要:每当'k'后跟'm'时,我都需要在它们之间添加正斜杠以匹配此对象的属性:
var obj = {
'km/h': '1.079e+9',
'km': 0,
'm/s': '2,998e+8',
'm': 0
};
So if my input value is 'km/h' or 'kmh' , both strings should equally match 'km/h' in obj
. 因此,如果我的输入值为'km / h'或'kmh' ,则两个字符串都应与
obj
中的'km / h'相等。 Is it possible to do it using regExp ? 有可能使用regExp吗?
Here is where I'm stuck : https://jsfiddle.net/Hal_9100/p0Lwg85w/1/ 这是我卡住的地方: https : //jsfiddle.net/Hal_9100/p0Lwg85w/1/
Thanks for you help 谢谢你的帮助
Answering my own question, this seems to be the way to go : 回答我自己的问题,这似乎是可行的方法:
var str = "kmh";
var test = str.replace(/m\s?h/i, 'm/h');
console.log(test);
Still looking for a more elegant approach or simply a way to implement it in my existing regExp : 仍在寻找更优雅的方法或在我现有的regExp中实现该方法的简单方法:
new RegExp("^" + o.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&") + "$", "i");
Any suggestion would be much appreciated 任何建议将不胜感激
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