with the separate arguments solution the 'limit' argument is unusable with the array solution you have a punctuation nightmare
the required regex seems easier in comparison On Wed, Oct 16, 2013 at 5:54 AM, Benjamin (Inglor) Gruenbaum < [email protected]> wrote: > Splitting by one value or another seems to be a pretty common use case if > Stack Overflow questions and personal experience are an indication. For > example "-" and " " and "/". > > Currently, the solution is to pass a regular expression to > String.prototype.split . > > However, it would be nice to be able to pass variable arguments to the > method. > > So if I want to split strings like "0-12-12" and "321+32/14" or "TI-CK ER" > instead of having to do: > > ``` > myString.split(/ |-|\/|\+/g); // this is no fun to read > > myString.split(" ","-","/","+"); // this is easier > myString.split([" ","-","/","+"]); // this is also easier. > > ``` > > The advantage of the second one (accepting an Array) is that it does not > require additional handling of the second "limit" parameter. > > A possible advantage of the first one is that it's simpler. > > The algorithm for the second one could be quite simple, in 21.1.3.17 only > _SplitMatch_ needs to be updated, and implementation sounds pretty simple > in engines and the semantics simple in the spec. > > Some other languages: > > - C# accepts an array of `char` or array of "string" in its Split, > http://msdn.microsoft.com/en-us/library/tabh47cf.aspx > - Ruby doesn't do this with `.split`, behaves like JS > http://ruby-doc.org/core-2.0.0/String.html#method-i-split > - Java String.split only accepts a regex > - Python doesn't do this with `.split` > > Advantages: > - Nice api addition that solves a common use case. > - A way to split by multiple delimiters easily without knowledge of > regular expressions. > - Does not break the existing API, especially if we use array syntax. > > Disadvantages > - Extra overhead > - Use case needs assertion > > (Reminds me of stuff in string_extras > http://wiki.ecmascript.org/doku.php?id=harmony:string_extras ) > > > > What do you think? > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > >
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