On Mar 13, 2018, at 11:42 AM, Remi Forax <fo...@univ-mlv.fr> wrote:
> it already exists :)
>  Stream<String> stream = Pattern.compile("\n|\r\n|\r").splitAsStream(string);

You want ` instead of " there!

Somebody added support recently for `\R`, which is a more unicode-flavored
version of your pattern (or just `\n`).  Last time I looked it was missing; 
to whoever added it in.

There should be a fluent streamy syntax for splitting a string, 
Java's incomplete embrace of fluent syntax is old news, *but* there is something
new here:  String expression size.

The raw strings are much larger than classic strings, and so they seem to need 
notational assistance that doesn't always require them to be enclosed in round 
and mixed with other arguments.  Having more fluent methods on String seems like
a good move here.

This goes beyond raw strings, and parsing is hard, but maybe there's room for
richer versions of String.lines or String.splits, which can deliver both the 
whitespace and one or more fields, for each line (or each paragraph or 

public Stream<MatchResult> matchResults(String regex) {
  return Pattern.compile(regex).matcher(this).results();

The point is that a MatchResult delivers both the whole substring and any groups
embedded in it as part of the match.  Plus indexes, which is nice sometimes.

— John

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