On 17/04/13 05:12, Ben Fritz wrote:
On Tuesday, April 16, 2013 8:52:22 PM UTC-5, andalou wrote:
Suppose I have the following text:
Diagonalización de matrices. Formas cuadráticas.
El Espacio Afín
El problema de la Programación Lineal
El Espacio Euclídeo
How can I replace the &#...; with their corresponding characters?
I know that ó is ó
á is á
í is í
The text can be very large with several of the &#...;
Are you looking for something like this?
:%s/&#\(\d\+\);/\=nr2char(submatch(1))/g
:help sub-replace-expression
:help submatch()
:help nr2char()
Depending on your encoding you might need to throw in an iconv() call somewhere.
You may, if you want, refine this expression (the actual implementation
is left as an exercise to the student) for hex entities like e.g.
#x4E09; for 三, the CJK pictogram for the number three (Unicode
codepoint U+4E09). Of course, for symbolic entity names you will have to
identify each of them separately, which may require some other approach,
such as working with a function and a Dictionary like { 'lt':'<',
'gt':'>', 'nbsp':"\xA0", 'amp':'&', 'aacute':'á', 'eacute':'é',
'iacute':'í', 'oacute':'ó', 'uacute':'ú', 'uuml':'ü', 'ntilde':'ñ',
'Aacute':'Á', …etc… }
Of course, if your example text is part of an HTML page, all browsers
MUST display the characters correctly even if you leave the &…; entities in.
Best regards,
Tony.
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