Detected matching strings but they're not gone after converting

[camilou]

Hello, I'm, trying to replace some strings in Calibre and it detects there are 50 matches, I am replacing

"To Kill a Mockingbird" By Nelle Harper Lee\d{1,3}</p>\n<p class="calibre3">\s</p>\n<p class="calibre2">(?P<word>.{1})

with

\g<word>

The conversion process starts, finishes, but when I double click the file, the strings are still there.

I've tried another regular expression that does the same but I'm still getting the same result.

"To Kill a Mockingbird" By Nelle Harper Lee\d{1,3}[\.\s\n<>"\/a-z=0-9]*<p class="calibre2">(?P<word>.{1})

I'm using the latest version of Calibre. I disabled saving the original file (original_epub) but I'm still getting the same problem.

Any idea why is this happening?

[camilou]

Update: I just tried removing pieces from the regular expression until I got to this one which is working:

"To Kill a Mockingbird" By Nelle Harper Lee\d{1,3}</p>\n<p class="calibre3">

So maybe the problem is with the white space character, but that wouldn't explain why the second expression wasn't working either, unless it's something I'm not doing right with all the "\s"

UPDATE 3.:
I tried replacing "\s" with ".*" and it worked. Looks like somehow the program had problems detecting the "\s"? Isn't that just white space? I think it's weird because it could match the strings against the regular expression but then after that it wouldn't replace them.

Any ideas? I'm going to see if maybe the thing I supposed was a whitespace was not really a whitespace by checking the file with an hex editor, but still, if it wasn't a white space, why would it match against "\s"?

[itimpi]

\s Will match a single whitespace character. You might want to try \s* instead

[camilou]

Originally Posted by itimpi

\s Will match a single whitespace character. You might want to try \s* instead

Yes, I understand. However, there was only one white space. Let me paste a little of the text in here:

<p class="calibre2">Atticus reached up and took off his glasses, turned his good right eye to the witness, and rained questions on her. Judge Taylor said, "One question at a time, Atticus. Give "To Kill a Mockingbird" By Nelle Harper Lee100</p>
<p class="calibre3"> </p>
<p class="calibre2">the witness a chance to answer."</p>
<p class="calibre3"> </p>

And the regular expression I used matches this:

<p class="calibre2">Atticus reached up and took off his glasses, turned his good right eye to the witness, and rained questions on her. Judge Taylor said, "One question at a time, Atticus. Give "To Kill a Mockingbird" By Nelle Harper Lee100</p>
<p class="calibre3"> </p>
<p class="calibre2">the witness a chance to answer."</p>
<p class="calibre3"> </p>

As you can see the match is perfect, but the thing is, once I close the window and press "Ok" the program won't replace the match, unless I replace that single "\s" with another class, like "." for any character. That's the thing I don't understand. I'm going to read the sticky again and see if there's something about regular expressions and white spaces I might have overlooked.