Question

我正在尝试比较字符串中的单词。这就是我想要做的事情：

var string1 = "Action, Adventure, Comedy";
var string2 = "Action Horror";

if (string1 have a word from string 2 == true)
{
    alert("found!");
}

我尝试过match（），但在我的情况下，它试图找到＆＃34; Action Horror＆＃34;而不是＆＃34;行动＆＃34;和＃34;恐怖＆＃34;词语的

Answer 1

您可以使用 match() 和 reduce()

执行此类操作

＆＃13;

var string1 = "Action, Adventure, Comedy";
var string2 = "action Horror";

var strArr = string1.match(/\b\w+?\b/g)
  //getting all words from string one
  .map(function(v) {
    return v.toLowerCase();
  });
//converting strings to lower case for ignoring case

var res = string2.match(/\b\w+?\b/g)
  // getting words from second string
  .reduce(function(a, b) {
    return a || strArr.indexOf(b.toLowerCase()) != -1;
    //checking string in first word  array
  }, false);
  // also set initial value as false since no strings are matched now

console.log(res);

＆＃13;

或

＆＃13;

var string1 = "Action, Adventure, Comedy";
var string2 = "action Horror";

var res = string2.match(/\b\w+?\b/g)
  // getting words from second string
  .reduce(function(a, b) {
    return a || new RegExp('\\b' + b + '\\b', 'i').test(string1);
    //checking string in first string
  }, false);
  // also set initial value as false since no strings are matched now

console.log(res);

＆＃13;

参考：JavaScript/jQuery - How to check if a string contain specific words

Answer 2

使用String.split，String.indexOf和Array.foreach函数的解决方案：

var string1 = "Action, Adventure, Comedy, Horror";
    var string2 = "Action Horror";

    var str1_arr = string1.split(', ');
    str1_arr.forEach(function (v) {
        if (string2.indexOf(v) !== -1) {
            console.log("string '"+ v +"'(from string1) was found in string2 in position " + string2.indexOf(v));
        }
    });

// the output:
string 'Action'(from string1) was found in string2 in position 0
string 'Horror'(from string1) was found in string2 in position 7

https://developer.mozilla.org/ru/docs/Web/JavaScript/Reference/Global_Objects/String/split https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf

Answer 3

宣布两套：

    var Set set1,ser2;

将string1复制到set1，将string2复制到set2

（不知道该怎么做）。然后有：

var intersection = new Set（[x for（x of set1）if（set2.has（x））]）;

    if intersection.prototype.size>0

两个字符串（和集合）都有共同的词。

比较字符串中的单词

3 个答案: