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Regular Expressions question

Hi all,

let say that my string is :
/// <author> aaa
/// <author> bbb
/// <author> ccc

1. how do i match all the authors except author aaa ?

2. how do i append the string "2006" to the authors names found in #1 ?

Thanks.

Feb 27 '06 #1
8 1667
yaron wrote:
Hi all,

let say that my string is :
/// <author> aaa
/// <author> bbb
/// <author> ccc

1. how do i match all the authors except author aaa ?
(?<line>///\s<author>\s(?!aaa)(?<author>.*))
2. how do i append the string "2006" to the authors names found in #1 ?


Use the Replace method on the above regex and replace with: ${line} 2006

... there are probably smarter expressions than this..!

hth,
Max
Feb 27 '06 #2
Markus Stoeger wrote:
yaron wrote:
Hi all,

let say that my string is :
/// <author> aaa
/// <author> bbb
/// <author> ccc

1. how do i match all the authors except author aaa ?

(?<line>///\s<author>\s(?!aaa)(?<author>.*))
2. how do i append the string "2006" to the authors names found in #1 ?

Use the Replace method on the above regex and replace with: ${line} 2006


.... a bit easier:

///\s<author>\s(?!aaa)(?<author>.*)

and replace with:

$& 2006

Max
Feb 27 '06 #3
yaron wrote:
let say that my string is :
/// <author> aaa
/// <author> bbb
/// <author> ccc

1. how do i match all the authors except author aaa ?
Regex regex = new Regex(@"(?:///\s<author>\s)([^aaa].+)",
(RegexOptions) 0);

2. how do i append the string "2006" to the authors names found in #1 ?


Use Replace with "$1 2006" as the replacement string.

--
Take care,
Ken
(to reply directly, remove the cool car. <sigh>)
Feb 28 '06 #4
Hi Markus,

thanks, it's work in the Expresso tool but not in the VS2003 IDE find
(Ctrl^F) using regular expression, do you know how to use it in the IDE or
maybe the VS2003 IDE doesn't support this regular expression ?

Thanks.
"Markus Stoeger" wrote:
Markus Stoeger wrote:
yaron wrote:
Hi all,

let say that my string is :
/// <author> aaa
/// <author> bbb
/// <author> ccc

1. how do i match all the authors except author aaa ?

(?<line>///\s<author>\s(?!aaa)(?<author>.*))
2. how do i append the string "2006" to the authors names found in #1 ?

Use the Replace method on the above regex and replace with: ${line} 2006


.... a bit easier:

///\s<author>\s(?!aaa)(?<author>.*)

and replace with:

$& 2006

Max

Feb 28 '06 #5
Ken Arway wrote:
yaron wrote:
let say that my string is :
/// <author> aaa
/// <author> bbb
/// <author> ccc

1. how do i match all the authors except author aaa ?

Regex regex = new Regex(@"(?:///\s<author>\s)([^aaa].+)",
(RegexOptions) 0);


The [^aaa] isn't right.. it means "match any <author> that isn't
followed by *one* 'a'" (instead of three a's). So for example abb will
not match either.

Max
Feb 28 '06 #6
yaron wrote:
Hi Markus,

thanks, it's work in the Expresso tool but not in the VS2003 IDE find
(Ctrl^F) using regular expression, do you know how to use it in the IDE or
maybe the VS2003 IDE doesn't support this regular expression ?


I thought you wanted to do this with code (using the Regex class).. :)

What they have in the CTRL-F dialog doesn't look like the regular
expressions I'm used to.. but this should work:

search for:

{/// \<author\> ~(aaa).*}

replace with:

\1 2006

hth,
Max
Feb 28 '06 #7
Markus Stoeger wrote:

Regex regex = new Regex(@"(?:///\s<author>\s)([^aaa].+)",
(RegexOptions) 0);


The [^aaa] isn't right.. it means "match any <author> that isn't
followed by *one* 'a'" (instead of three a's). So for example abb will
not match either.


Yep...needed to use the negative look-ahead:

Regex regex = new Regex(@"(?:///\s<author>\s)((?!aaa).+)", (RegexOptions) 0);

--
Take care,
Ken
(to reply directly, remove the cool car. <sigh>)
Mar 1 '06 #8
Thanks to all for your help.
"Markus Stoeger" wrote:
yaron wrote:
Hi Markus,

thanks, it's work in the Expresso tool but not in the VS2003 IDE find
(Ctrl^F) using regular expression, do you know how to use it in the IDE or
maybe the VS2003 IDE doesn't support this regular expression ?


I thought you wanted to do this with code (using the Regex class).. :)

What they have in the CTRL-F dialog doesn't look like the regular
expressions I'm used to.. but this should work:

search for:

{/// \<author\> ~(aaa).*}

replace with:

\1 2006

hth,
Max

Mar 5 '06 #9

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