Grammalecte  Diff

    return [iStart + _zNextWord.lastIndex - m[1].length, m[1]];
}

const _zPrevWord = new RegExp ("([a-zà-öA-Zø-ÿÀ-Ö0-9Ø-ßĀ-ʯfi-st_][a-zà-öA-Zø-ÿÀ-Ö0-9Ø-ßĀ-ʯfi-st_-]*) +$", "i");

function prevword1 (s, iEnd) {
    // get previous word (optimization)
    //helpers.echo("prev1, s:"+s);
    //helpers.echo("prev1, s.slice(0, iEnd):"+s.slice(0, iEnd));
    let m = _zPrevWord.exec(s.slice(0, iEnd));
    //helpers.echo("prev1, m:"+m);
    if (!m) {
        return null;
    }
    //helpers.echo("prev1: " + m.index + " " + m[1]);
    return [m.index, m[1]];
}

function look (s, zPattern, zNegPattern=null) {
    // seek zPattern in s (before/after/fulltext), if antipattern zNegPattern not in s
    try {
        if (zNegPattern && zNegPattern.test(s)) {

    }
    if (dDA.has(nPos)) {
        return true;
    }
    if (!_dAnalyses.has(sWord) && !_storeMorphFromFSA(sWord)) {
        return true;
    }
    //helpers.echo("morph: "+_dAnalyses.get(sWord).toString());
    if (_dAnalyses.get(sWord).length === 1) {
        return true;
    }
    let lSelect = _dAnalyses.get(sWord).filter( sMorph => sMorph.search(sPattern) === -1 );
    //helpers.echo("lSelect: "+lSelect.toString());
    if (lSelect.length > 0) {
        if (lSelect.length != _dAnalyses.get(sWord).length) {
            dDA.set(nPos, lSelect);
        }
    } else if (lDefault) {
        dDA.set(nPos, lDefaul);
    }

    if (!_dAnalyses.has(sWord) && !_storeMorphFromFSA(sWord)) {
        return true;
    }
    if (_dAnalyses.get(sWord).length === 1) {
        return true;
    }
    let lSelect = _dAnalyses.get(sWord).filter( sMorph => sMorph.search(sPattern) === -1 );
    //helpers.echo("lSelect: "+lSelect.toString());
    if (lSelect.length > 0) {
        if (lSelect.length != _dAnalyses.get(sWord).length) {
            dDA.set(nPos, lSelect);
        }
    } else if (lDefault) {
        dDA.set(nPos, lDefault);
    }