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Old 10-20-2012, 05:37 PM   #1
MontyJ
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Question Is the "Regex Builder" working??

Hola!

I am trying to test some new regex expressions using the "Regex Builder", but either I am way off base on how to use it or it is not working!

I can enter and save search/replace regexes ok, and they do (well, MOST do, LoL) work; it is the ones that don't work that I need to test in the Regex Builder page. I can make the regexes work in OOO Writer, for example, using a HTML document and its search & replace function. But, that doesn't mean the same code will actually work in Calibre, so need to use the Builder!

Procedure:

1. Open the Search & Replace menu/setup.
2. Put my regex into the "Search Regular Expression" (SRE) field
3. Select "Add", just in case, LoL.
4. Bring the added regex back to the SRE field
5. Select the "Wizard" button to the right of the SRE field
6. The "Regex Builder" window opens, with my regex in the "Regex:" field at the top
7. But, the "Preview" window is blank, and pressing the "Test" button does nothing
8. So, at the bottom there is a "Open" button, which presumably lets you open a document(?) that contains the data one is trying to search and replace
9. So, select the EPUB document and try to open it. Nothing, no document. Try a .html document. Nothing shows in the "Preview" page! Neither will it let me PASTE any text in it.

So, either I totally misunderstand how to use this feature or it is broken.

Somebody set me straight, please!

Monty
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Old 10-20-2012, 10:14 PM   #2
Gunnerp245
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Without an example of the regex and the text attempting to match there is no way to help. *calibre 0.9.3, works fine for me.*

Edit:
I would assume you have reviewed: An introduction to regular expressions.
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Old 10-20-2012, 11:06 PM   #3
MontyJ
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Gunner,

I was not looking for specific regex 'code' help as much as why the "Wizard" window will not show ANY text with which to test a regex.

But, fyi, here is a code (from Kovid) that works, but when I try to use it in the "Wizard", I still do not get any text in the wizard preview window:

Code:
<b.*?>\s*Generated\s+by\s+ABC\s+Amber\s+LIT.*?</b>
The code I am testing (of several) is this:

Code:
<b>.*?</b>

to search within this line of text:

<P><A HREF="http://www.abbyy.com/buy"><B>Y</B></A></P>

to find the letter "Y" or any other text between the b tags

I do not claim it is a 'good code', of course, just that as a test it should work, and something should show up in the wizard preview window I can use as a test. It doesn't.

I am using W7 x64 with all the latest updates, java, and flash installed, so am puzzled why others say the wizard preview window works and mine doesn't...

Thanks
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Old 10-21-2012, 09:49 AM   #4
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Lightbulb Search & Replace: Preferences vs. Convert

It seems you are opening "Search and Replace" from the preference menu, as there is no 'open' button in the convert menu.

Quote:
Procedure:
1. Open the Search & Replace menu/setup.
2. Put my regex into the "Search Regular Expression" (SRE) field
3. Select "Add", just in case, LoL.
4. Bring the added regex back to the SRE field
5. Select the "Wizard" button to the right of the SRE field
6. The "Regex Builder" window opens, with my regex in the "Regex:" field at the top
7. But, the "Preview" window is blank, and pressing the "Test" button does nothing
8. So, at the bottom there is a "Open" button, which presumably lets you open a document(?) that contains the data one is trying to search and replace
9. So, select the EPUB document and try to open it. Nothing, no document. Try a .html document. Nothing shows in the "Preview" page! Neither will it let me PASTE any text in it.
The Preferences action allows you to change the way various aspects of calibre work on every file every time. To see what you are trying to do you need to be in the convert menu.

Spoiler:
Main calibre Menu, Book to convert selected.

Spoiler:
After selecting 'convert book'.

Spoiler:
Selected 'Search and Replace'.

Spoiler:
Selected 'Wizard' icon.


calibre online User Manual.
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Old 10-21-2012, 11:10 AM   #5
MontyJ
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Thanks...That did it!!

No where had I read that it COULDN'T be done from the Preferences menu..all the controls were there, not greyed out or anything!!

Now I can run my stupid little tests..

Thanks again

Monty
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Old 10-23-2012, 09:36 AM   #6
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Quote:
Originally Posted by MontyJ View Post
No where had I read that it COULDN'T be done from the Preferences menu..all the controls were there, not greyed out or anything!!
Preferences is where your select/declare settings that will apply to every file, every time. There was no file to see when selecting the wizard icon as there was no file open for it to display.
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