Replacing multiple tags over 2 lines

kmckinley · 09-03-2011, 12:00 AM

I have the following source:

Code:

    <p class="calibre10"><span class="calibre12 bold">15</span></p>

    <p class="calibre2"><span class="calibre4 bold">MAVERICKS</span></p>

I would like to replace all that stuff with

Code:

    <h1>15<br />
    MAVERICKS</h1>

The regular expression for the first line appears to be

Code:

(Find)<p class="calibre10"><span class="calibre12 bold">(\d\d)</span></p>
(Replace with)<h1>\1<br />

Would it be possible to do the search and replace for the second line in the same pass?

Toxaris · 09-03-2011, 02:32 AM

I think the following might work:

find:

Code:

<p class="calibre10"><span class="calibre12 bold">([0-9]{1,})</span></p>\s<p class="calibre2"><span=class="calibre4 bold">([A-Za-z]{1,})</span></p>

replace by:

Code:

<h1>\1<br />\2</h1>

There are more ways to do this of course.

kmckinley · 09-03-2011, 02:45 AM

Quote:

Originally Posted by Toxaris

I think the following might work:
...
There are more ways to do this of course.

I only need one.

Unfortunately that doesn't do it. The first part of the expression matches, but adding the second fails.

According to some old docs, Sigil's RegEx engine is very Perl-like. Perl doesn't normally do multi-line matches, but it can be made to do so. I wonder if we must do something special for multi-line matches.

Perkin · 09-03-2011, 03:33 AM

Change Toxaris' find to

Code:

<p class="calibre10"><span class="calibre12 bold">(\d+)</span></p>\s+<p class="calibre2"><span class="calibre4 bold">(.+)</span></p>

The replace will be the same.

Jabby · 09-03-2011, 07:21 AM

Quote:

Originally Posted by Perkin

Change Toxaris' find to

Code:

<p class="calibre10"><span class="calibre12 bold">(\d+)</span></p>\s+<p class="calibre2"><span class="calibre4 bold">(.+)</span></p>

The replace will be the same.

In the above example, what would be the difference between (.+) and (.*). The various tutorials I've read talk about "greedy", "non-greedy", "lazy" and "reluctant" but I can't figure out precisely what they mean. What about \s* instead of \s+ - would that work?

Just trying to figure this regex stuff out.

Regards - John

cybmole · 09-03-2011, 08:04 AM

i usually use \s* & it works fine .
I think the relevant definitions are:
\s+ match one or more spaces
\s* match none or more spaces

Toxaris · 09-03-2011, 08:15 AM

Forgot the plus sign...

kmckinley · 09-03-2011, 10:34 PM

That works beautifully.

An hour's work in seconds -- regexes rule!

09-03-2011, 12:00 AM	#1
kmckinley Member Posts: 15 Karma: 954 Join Date: Aug 2011 Device: NOOK Simple Touch	Replacing multiple tags over 2 lines I have the following source: Code: <p class="calibre10"><span class="calibre12 bold">15</span></p> <p class="calibre2"><span class="calibre4 bold">MAVERICKS</span></p> I would like to replace all that stuff with Code: <h1>15<br /> MAVERICKS</h1> The regular expression for the first line appears to be Code: (Find)<p class="calibre10"><span class="calibre12 bold">(\d\d)</span></p> (Replace with)<h1>\1<br /> Would it be possible to do the search and replace for the second line in the same pass?

09-03-2011, 02:32 AM	#2
Toxaris Wizard Posts: 4,520 Karma: 121692313 Join Date: Oct 2009 Location: Heemskerk, NL Device: PRS-T1, Kobo Touch, Kobo Aura	I think the following might work: find: Code: <p class="calibre10"><span class="calibre12 bold">([0-9]{1,})</span></p>\s<p class="calibre2"><span=class="calibre4 bold">([A-Za-z]{1,})</span></p> replace by: Code: <h1>\1<br />\2</h1> There are more ways to do this of course.

09-03-2011, 03:33 AM	#4
Perkin Guru Posts: 657 Karma: 64171 Join Date: Sep 2010 Location: Kent, England, Sol 3, ZZ9 plural Z Alpha Device: Sony PRS-300, Kobo Aura HD, iPad (Marvin)	Change Toxaris' find to Code: <p class="calibre10"><span class="calibre12 bold">(\d+)</span></p>\s+<p class="calibre2"><span class="calibre4 bold">(.+)</span></p> The replace will be the same.

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09-03-2011, 08:04 AM	#6
cybmole Wizard Posts: 3,720 Karma: 1759970 Join Date: Sep 2010 Device: none	i usually use \s* & it works fine . I think the relevant definitions are: \s+ match one or more spaces \s* match none or more spaces

09-03-2011, 08:15 AM	#7
Toxaris Wizard Posts: 4,520 Karma: 121692313 Join Date: Oct 2009 Location: Heemskerk, NL Device: PRS-T1, Kobo Touch, Kobo Aura	Forgot the plus sign...

09-03-2011, 10:34 PM	#8
kmckinley Member Posts: 15 Karma: 954 Join Date: Aug 2011 Device: NOOK Simple Touch	That works beautifully. An hour's work in seconds -- regexes rule!

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