文字列のreplace（正規表現）を複数行対応

replaceLine.js

String.prototype.replaceLine = function (_regExp, _repText) {
	var tExp = String(_regExp);
	var regExp = new RegExp(tExp.split("/")[1], tExp.split("/")[2]);
	var strArry = this.split("\n");
	var strRet = "";
	
	for (var i in strArry) {
		strRet += strArry[i].replace(regExp, _repText) + "\n";
	}
	return strRet;
};