string_find [function]

string_find( string str, string substr, int offset = 0 )

returns the position of first found substring substr in string str, starting at offset

• if substr was not found, 'null' is returned
• if offset is less than 0, it specifies offset from the end

string_find( "what hat", "hat" ); // int 1
string_find( "what", "hat", 2 ); // null