问如何搜索字符串以查找多维数组中的关键字？

EN

stringToSearch = 'this string needs to be searched';

labelsToApply = {
    myFirstLabel: ['key1', 'key2', 'key3'],
    anotherLabel: ['key4', 'key5', 'key6'],
    lastLabel:    ['key7', 'key8', 'key9', 'key10', 'key11'],
}

function getLabels(str, labels) {
    var appliedLabels = [];
    $.each(labels, function(labelName, keywords) {
        $.each(keywords, function() {
             if(str.search(this) >= 0) {
                 appliedLabels.push(labelName);
                 return false;
             }
        });  
    });
    return appliedLabels;
}

alert(getLabels(stringToSearch, labelsToApply));

stringsToSearch = ['this string needs to be searched', '...']

keywords = {
    firstGroup: {
        key1: [],
        key2: [],
        key3: []
    },
    secondGroup: {
        key4: [],
        key5: [],
        key6: []
    },
    thirdGroup: {
        key7: [],
        key8: [],
        key9: []
    }
}

$.each(keywords, function(groupName, keyGroup) {
    $.each(keyGroup, function(key, foundStrings) {
        $.each(stringsToSearch, function() {
            if(this.search(key) >= 0)
                foundStrings.push(this);
        });
    });
});

var stringToSearch = 'this string needs to be key2 searched key4';

var Keywords = function(keywords, label) {
    this.keywords = keywords;
    this.label = label;
}

var keywords1 = new Keywords(['key1', 'key2', 'key3'], 'keys 1-3');
var keywords2 = new Keywords(['key4', 'key5', 'key6'], 'keys 4-6');

var keywordsArray = [ keywords1, keywords2 ];

for (var i=0; i <keywordsArray.length; i++) {
    var keywordsEntry = keywordsArray[i];
    for(var j=0; j <keywordsEntry.keywords.length; j++) {
        // here you got the index of the occuring keyword
        if(stringToSearch.indexOf(keywordsEntry.keywords[j]) > 0) {
            // now do sth. with the label
            alert(keywordsEntry.label);
        }
    }
}