Re: [libreoffice-users] [Writer] Regular expressions

At 19:58 08/01/2013 +0100, Gordom Noname wrote:
> I would appreciate your help with the regular expressions. I have a 
> document consisting of hundreds of lines. A small sample is here:
>
> Set:   01SA34509
> 0109SA
> 011017B
> 01020207B
> 010902B
> 01090002
> 011007B
> 01090001
> 090110
> Set:   0134501
> 011101
> 01110102
> 01110103
> 080908
> Set:   0111679SE
> 0111SE
>
> I need to delete all text except these lines started with word 
> "Set". If I use "set:.+" regular expression, all these lines, that 
> should be kept, are selected. I cant find a way to reverse this 
> selection. I tried "[^set:.+].+" and "[^(set:.+)].+" but they don't 
> work. Could you please give me any clues?

I think this is fairly simple.  I'm assuming that your "lines" are 
actually separate paragraphs, in fact: that they are separated by 
paragraph breaks, not line breaks, that is.

o Using Find & Replace with "Regular expressions" ticked, search for 
^Set and click Find All. This will select just those words, where 
they occur at the start of a line, not the whole lines.
o Click the down-arrow at the right of the Apply Style window in the 
Formatting toolbar, and select some (paragraph) style different from 
the style of your text (perhaps Heading?).  Since this is a paragraph 
style, it will apply to the whole of each relevant line (paragraph), 
not just the selected occurrences of the word "Set".
o Back in the Find & Replace dialogue, click "Search for Styles", 
choose your original style (perhaps Default?) in the "Search for" 
box, and click Find All.
o Press Delete to remove all the unwanted lines.
o Tick "Regular expressions" again, and search for ^$ - replacing 
with nothing.  Click Replace All.  This removes the empty paragraphs 
left by the previous process.
o Go to Edit | Select All (or press Ctrl+A) and use the Apply Style 
window again to reset your paragraph style appropriately (to Default?).

I trust this helps.

Brian Barker



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