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| From | "Daniel Pitts" <daniel.pitts@1:261/38.remove-5qr-this> |
| Subject | Re: retriving escape unicode sequences from files ... |
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| X-Comment-To | Arne Vajhøj |
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| Date | Sat, 04 Aug 2012 18:41:42 GMT |
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To: Arne Vajhøj
From: Daniel Pitts <newsgroup.nospam@virtualinfinity.net>
On 8/3/12 5:37 PM, Arne Vajhoj wrote:
> On 8/2/2012 11:52 PM, qwertmonkey@syberianoutpost.ru wrote:
>> Why is it that if you save a unicode sequence in a file, say "frantais"
>> ~
>> \u0066\u0072\u0061\u006e\u00e7\u0061\u0069\u0073
>> ~
>> and then retrieve as a String you can't then convert it back to a
>> UTF-8 String
>> ~
>
> Some code from my shelf:
>
> import java.util.regex.Matcher;
> import java.util.regex.Pattern;
>
> public class Unescape {
> private static final Pattern p =
> Pattern.compile("\\\\u([0-9A-F]{4})");
> public static String U2U(String s) {
> String res = s;
> Matcher m = p.matcher(res);
> while(m.find()) {
> res = res.replaceAll("\\" + m.group(0),
> Character.toString((char)Integer.parseInt(m.group(1), 16)));
> }
> return res;
> }
> public static void main(String[] args) {
>
> System.out.println(U2U("\\u0041\\u0042\\u0043\\u000A\\u0031\\u0032\\u0033"));
>
> }
> }
And if you wanted this to be effecient, you'd use appendReplacement instead of
res.replaceAll()
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retriving escape unicode sequences from files ... "qwertmonkey" <qwertmonkey@1:261/38.remove-yy0-this> - 2012-08-03 18:54 +0000
Re: retriving escape unicode sequences from files ... "markspace" <markspace@1:261/38.remove-yy0-this> - 2012-08-03 18:54 +0000
Re: retriving escape unicode sequences from files ... "Roedy Green" <roedy.green@1:261/38.remove-yy0-this> - 2012-08-03 18:54 +0000
Re: retriving escape unicode sequences from files ... "glen herrmannsfeldt" <glen.herrmannsfeldt@1:261/38.remove-5qr-this> - 2012-08-04 18:41 +0000
Re: retriving escape unicode sequences from files ... "Arne Vajhøj" <arne.vajhøj@1:261/38.remove-5qr-this> - 2012-08-04 18:41 +0000
Re: retriving escape unicode sequences from files ... "Daniel Pitts" <daniel.pitts@1:261/38.remove-5qr-this> - 2012-08-04 18:41 +0000
Re: retriving escape unicode sequences from files ... "markspace" <markspace@1:261/38.remove-5qr-this> - 2012-08-04 18:41 +0000
Re: retriving escape unicode sequences from files ... "Lew" <lew@1:261/38.remove-5qr-this> - 2012-08-04 18:41 +0000
Re: retriving escape unicode sequences from files ... "Arne Vajhøj" <arne.vajhøj@1:261/38.remove-p82-this> - 2012-08-08 06:20 +0000
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