Javascript String.split()返回空数组
我正在寻找解析SRT文件的方法,发现了一些使用.split()的函数,但我得到了一个空数组 我认为问题来自我的SRT语法,但我不理解/(?:^ |\n\n)\d+\n |\n+$/g在.split()函数中的含义 以下是我发现的功能:Javascript String.split()返回空数组,javascript,jquery,parsing,split,srt,Javascript,Jquery,Parsing,Split,Srt,我正在寻找解析SRT文件的方法,发现了一些使用.split()的函数,但我得到了一个空数组 我认为问题来自我的SRT语法,但我不理解/(?:^ |\n\n)\d+\n |\n+$/g在.split()函数中的含义 以下是我发现的功能: function srtTimeToSeconds(time) { var match = time.match(/(\d\d):(\d\d):(\d\d),(\d\d\d)/); var hours = +match[1], m
function srtTimeToSeconds(time) {
var match = time.match(/(\d\d):(\d\d):(\d\d),(\d\d\d)/);
var hours = +match[1],
minutes = +match[2],
seconds = +match[3],
milliseconds = +match[4];
return (hours * 60 * 60) + (minutes * 60) + (seconds) + (milliseconds / 1000);
}
function parseSrtLine(line) {
var match = line.match(/(\d\d:\d\d:\d\d,\d\d\d) --> (\d\d:\d\d:\d\d,\d\d\d)\n(.*)/m);
return {
start: srtTimeToSeconds(match[1]),
end: srtTimeToSeconds(match[2]),
text: match[3].trim()
};
}
function parseSrt(srt) {
var lines = srt.split(/(?:^|\n\n)\d+\n|\n+$/g).slice(1, -2);
return $.map(lines, parseSrtLine);
}
这是我的SRT字符串:
const mySRT =
"0\
00:00:01,414 --> 00:00:03,613\
All the single ladies\
1\
00:00:03,805 --> 00:00:05,904\
All the single ladies\
2\
00:00:06,118 --> 00:00:08,717\
All the single ladies\"
这是我的Javascript代码:
const subtitles = parseSrt(mySRT);
console.log(subtitles);
有人能帮我吗?split方法中的字符串/(?:^ |\n\n)\d+\n | \n+$/g是一个字符串。你应该阅读更多关于它的内容,以了解你想要达到的目标。@AmanB谢谢!这就是我想要的:)