.srt to .json

.js

var regBlock = /^[0-9]+\n(.+\n)+/gm; //Use /^\n(.+\n)+/gm if there are no leading sequence numbers
var regText = /^[0-9]+\n(.+\n)/gm; //Use /^\n(.+\n)/gm if there are no leading sequence numbers
var regTime = /[0-9:]{2}:[0-9]{2}:[0-9]{2},[0-9]{3} --> [0-9:]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}/gm;
var result;
final = [];

while((result = regBlock.exec(text)) !== null) {
	while((resultTime = regTime.exec(result[0])) !== null) {
		start = resultTime[0].split(" --> ")[0];
		end = resultTime[0].split(" --> ")[1];

        var temp = start.split(':');
        var start = (+temp[0]) * 60 * 60 + (+temp[1]) * 60 + (+temp[2].replace(",", ".")); 
        var temp = end.split(':');
        var end = (+temp[0]) * 60 * 60 + (+temp[1]) * 60 + (+temp[2].replace(",", ".")); 

    }
	final.push(JSON.parse('{"start":'+start+',"end":'+end+',"text":"'+result[0].replace(regText, "").replace(/(?:\r\n|\r|\n)/g, "\\n").replace(/\"/g, "\\\"")+'"}'));
}
console.log(JSON.stringify(final));