Detlef -

Someone with more technical expertise could probably elaborate/correct here 
(also, since I'm new to this list, someone please scold me if this discussion 
belongs elsewhere), but here is some advice from my experience with Find & 
Replace:

It sometimes happens that what you see in your text window is not the actual 
character(s) you need to search for.  This can happen when your source file 
includes non-printable characters, or has been translated incorrectly somewhere 
along the way (I've had to hack through files for people that probably went 
from Outlook to Word to HTML to Unix-based web server to MSIE copied back to 
Outlook to Eudora to BBEdit... it can get ugly, but I've found BBEdit to be 
very versatile at dealing with these issues).  When coming across these 
anomalies, BBEdit may skip, approximate, and/or "arbitrarily" assign a 
character to symbolize those odd or non-printable characters on screen.

When a search is ineffective, often I will copy from the source text and paste 
it into the Find window directly, instead of re-typing what _appears_ to be the 
character(s) I'm searching for.  Another thing to check for are "Invisibles".  
Go to Edit -> Text Options... , and check "Show Invisibles".  This often sheds 
some light on why things are not going as expected.


To guess what happened in your example:

>1. I don't know why, but some Pipe "|" characters have translated to: %7c

%7c is the url-encoded version of "|" (pipe).  (If you do a google search for 
"|" you'll see your query has been replaced by %7c in your location bar).  It 
would be extremely odd if the Find & Replace command is doing that to your 
files on its own, esp. if the replacement string is blank.  It's possible that 
with some of the files you're loading -- based on file extension or lack 
thereof -- BBEdit has to "guess" which character set to use.  Perhaps it is 
re-saving your files and translating the "pipes" (and other non-url-safe 
characters?) to its url-encoded equivalent.... very strange.  You can play with 
the various preferences under "Text Files: Opening" and ": Saving" to see if 
changing the default encoding makes a difference.

-Russ

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