Re: [xml-dev] URI regex ?

Thanks, Michael !

but, humm... it won't be simple to translate this into java regex ;) !

But it's really interesting, because now, I know I cant match wht  need to rewrite with regexp.

Thanks again...

And for encoding... ?

Best,

Christophe

Le 2016-05-04 12:17, Michael Kay a écrit :

Michael Sperberg-McQueen has defined XSD types (and regexes) that match different flavours of URI in

http://www.w3.org/2011/04/XMLSchema/TypeLibrary-URI-RFC3986.xsd

and

http://www.w3.org/2011/04/XMLSchema/TypeLibrary-IRI-RFC3987.xsd

To see the way these complex regular expressions are constructed, view these documents at the raw XML level using (for example) curl.

Michael Kay
Saxonica

On 4 May 2016, at 10:52, Christophe Marchand <[email protected]> wrote:

Hi all !

I have to rewrite URI in many files :

* xsl
* schemas
* RNG/RNC grammars
* schematrons
* nvdl
* DTD
* etc...


I exactly know the protocol(s) of the URI I have to rewrite, so I can detect all URIs by a starting string
As I have to work on various file types, and as URI may be in known tags (xsl:import, sch:validate, ...) as in variables or anywhere else, I would like to process the files as text files.

I have 2 questions :

* files may use various encoding. Is there a pre-defined encoding
  where URI are always correct ? Or should I check the file encoding
  before reading it ?
* Is there a regex I can use to detect the end of the URI, knowing the
  start of the URI ? Reading RFC3987 is not so easy...


Thanks in advance,
Christophe

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