public String[] split(String regex, int limit) {

char ch = 0;

if (((regex.value.length == 1 &&

".$|()[{^?*+\\".indexOf(ch = regex.charAt(0)) == -1) ||

(regex.length() == 2 &&

regex.charAt(0) == '\\' &&

(((ch = regex.charAt(1))-'0')|('9'-ch)) < 0 &&

((ch-'a')|('z'-ch)) < 0 &&

((ch-'A')|('Z'-ch)) < 0)) &&

(ch < Character.MIN_HIGH_SURROGATE ||

ch > Character.MAX_LOW_SURROGATE))

{

int off = 0;

int next = 0;

boolean limited = limit > 0;

ArrayList<String> list = new ArrayList<>();

while ((next = indexOf(ch, off)) != -1) {

if (!limited || list.size() < limit - 1) {

list.add(substring(off, next));

off = next + 1;

} else { // last one

//assert (list.size() == limit - 1);

list.add(substring(off, value.length));

off = value.length;

break;

}

}

// If no match was found, return this

if (off == 0)

return new String[]{this};

// Add remaining segment

if (!limited || list.size() < limit)

list.add(substring(off, value.length));

// Construct result

int resultSize = list.size();

if (limit == 0)

while (resultSize > 0 && list.get(resultSize - 1).length() == 0)

resultSize--;

String[] result = new String[resultSize];

return list.subList(0, resultSize).toArray(result);

}

return Pattern.compile(regex).split(this, limit);

}