Extract book, chapter and verse bible

extract-bible.js

function parse(text) {
    var results = [];
    var regex = /([\d ]*)([a-z]+) +([\d,;:-]+)/ig;

    while (true) {
        try {
            var matcher = regex.exec(text);
            if (!matcher) return results;

            var bookIndex = getBookIndex(matcher);
            var result = {};
            if (bookIndex)
                result.BokyFaha = bookIndex;

            result.Boky = matcher[2];
            result.Pointers = parsePointer(matcher);
            results.push(result);
        } catch (error) {
            console.log(error);
        }
    }
}

function getBookIndex(matcher) {
    var bookIndex = matcher[1];
    if (!bookIndex) return null;

    if (!/^\d+ +$/.test(bookIndex))
        throw new Error('Invalid book index');

    return bookIndex.replace(/ +/g, '');
}

function parsePointer(matcher) {
    var subPointer = matcher[3].split(';');
    var pointers = [];

    for (var i in subPointer)
        pointers.push(parseSubPointer(subPointer[i]));

    return pointers;
}

function parseSubPointer(rawSubPointer) {
    var subPointerRegex = /^(\d{1,2}):(\d{1,2})([\d,-]*)$/;
    var matcher = subPointerRegex.exec(rawSubPointer);
    if (!matcher)
        throw new Error('No chapter');

    var verse2 = matcher[3];

    if (verse2 && !/^[,-]\d+$/.test(verse2))
        throw new Error('Invalid verse');

    var chapter = matcher[1];
    var verse1 = matcher[2];
    if (verse2)
        verse1 += verse2;

    return {
        Pointer: matcher[0],
        Chapitre: chapter,
        Verset: verse1
    };
}

var text = [
    'Matio 24:14',
    '1 Jaona 5:19',
    '1 Salamo 83:18,19',
    'Apokalypsy 21:14-18;22:3,4'
].join('\n');

var results = parse(text);
console.log(JSON.stringify(results, null, ' '));