RegExp Split \r\n in Javascript
AW
- javascript
Hallo,
warum liefert folgender Split in Javascript den Wert 7?
var test = "A\r\n\r\nB\r\nC\r\n";
return test.split(/(\r?\n)+/).length;
In Java liefert es wie erwartet 3.
Hat jemand eine Idee?
Hi,
warum liefert folgender Split in Javascript den Wert 7?
var test = "A\r\n\r\nB\r\nC\r\n";
return test.split(/(\r?\n)+/).length;
[MDC: string.split(\[separator\]\[, limit\])](https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/split):
> “If separator is a regular expression that contains capturing parentheses, then each time separator is matched the results (including any undefined results) of the capturing parentheses are spliced into the output array.”
MfG ChrisB
--
RGB is totally confusing - I mean, at least #C0FFEE should be brown, right?
Hi,
warum liefert folgender Split in Javascript den Wert 7?
var test = "A\r\n\r\nB\r\nC\r\n";
return test.split(/(\r?\n)+/).length;
>
> [MDC: string.split(\[separator](https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/String/split)[, limit])]:
> > “If separator is a regular expression that contains capturing parentheses, then each time separator is matched the results (including any undefined results) of the capturing parentheses are spliced into the output array.”
>
> MfG ChrisB
>
>
ok danke. dann macht das Sinn :)
Hallo,
warum liefert folgender Split in Javascript den Wert 7?
var test = "A\r\n\r\nB\r\nC\r\n";
return test.split(/(\r?\n)+/).length;
>
> In Java liefert es wie erwartet 3.
>
> Hat jemand eine Idee?
so funktioniert es:
~~~javascript
test.split(/[\r?\n]+/);
der group scheint in js anders implementiert zu sein. logisch ist das allerdings für mich nicht...