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[英]JavaScript: How can I remove any words containing (or directly preceding) capital letters, numbers, or commas, from a string?
[英]How can I remove letters from a string in javascript and return the remainder of the string?
如果我有 :
var string = "Something";
我想刪除[e]
並得到:
string = "Somthing";
我怎樣才能做到這一點?
string = string.replace(/\e/g, '');
應該可以。
要訪問數組中的各種字母,可以使用charAt()
:
for(var i = 0; i < string.length; i++){
console.log(string.charAt(i));
}
找到e
:
for(var i = 0; i < string.length; i++){
if(string.charAt(i) === `e`){
console.log("found an e");
}
}
刪除“ e”:
var string = "something";
var arr = string.split(''); //["s", "o", "m", "e", "t", "h", "i", "n", "g"]
for(var i = 0; i < arr.length; i++){
if(arr[i] === 'e'){
arr.splice(i,1);
}
}
arr.join(''); //"somthing"
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