From: Nuralanur@...
Date: 2005-09-28T23:46:31+09:00
Subject: In search of a Regexp character class for "weird command characters"

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Hello,
 
I have a regexp search problem.
I have written a text-correction program  in Ruby which
reads in a text file and marks every word that's not
in a  dictionary array red in an  RTF output file 
(still a plain text file,  from Ruby's viewpoint) and saves that
file (i.e., it is still a text, with  some commands specific
to Rich Text Format).
For instance, in a text, I  have a citation "(Fox , 1970)."
Now, "(Fox" is not a correct English word, so  it should
be red and bold, the comma is all right, so it stays black,  and
"1970)." is not a correct English word, either, so it
should be red  and bold, also.
In RTF, you can achieve this by replacing
 
a="(Fox , 1970)." 
 
   by 
 
b=" \cf1\b (Fox \cf0\b0 , \cf1\b 1970). \cf0\b0 ".

Now, if you say 
 
p b 
 
Ruby will give the following output
 
> " \0061\010 (Fox \0060\010 1970). \0060\0100 "
 
However, I would like to remove all the characters of the form '\' +  number
from the RTF file in a next step.
Is there a character class for  Regexps (like \w,\S etc.) that achieves
this?
I have learned so far that  '\010' is one character, and not the same as 
'backslash' +
three  digits.
 
Best regards,
 
Axel


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