native split_string(const source, const split, part, partLen);
Source input string.
A string which specifies a search point to break at.
Buffer to store string part.
Maximum length of the string part buffer.
Returns text in a string up until a certain character sequence is reached.
Only available in 1.8.3 and above.
-1 if no match was found; otherwise, an index into source
marking the first index after the searched text. The
index is always relative to the start of the input string.