function find(reg, data) {
var tmp = reg.exec(data);
if (tmp == null) return null;
var start = data.lastIndexOf("\n", tmp.index) + 1;
var end = data.indexOf("\n", start);
var r = data.slice(start, end);
reg.lastIndex = end + 1;
return r;
}
function serch(data, word) {
var reg = new RegExp(word, "igm");
var result = [];
for ( ; ; ) {
var r = find(reg, data);
if (r == null) break;
result.push(r);
}
alert(result.join("\n"));
}
var data = "ssb12sacsma\nssbfbbbfb\nccc422c21cc\ndda81dcigdbmd\n";
serch(data, "ssb");