MBR IT/.NET 247 : backslash in replace on ASPFriends.com 'aspngregexp' list

backslash in replace

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This message was discovered on ASPFriends.com 'aspngregexp' list.

Yannick Smits

Hi,
I can't get the following to work:

Regex.Replace("d:\\step.com\\www", "com\\www", "com") ;

I also tried with the @ method.
It keeps giving me:

d:\step.com\www as a result instead of 'd:\step.com'

In VB I got it to work with:
Replace("d:\step.com\www", "com\\www", "com")
But not in C#

thanks, Yannick

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Remas Wojciechowski

Yannick,

the slash is a special character in the regexp language. Since it's
special in c# too (unless you use @), you end up with quite a messy
situation. You have 2 options:
1/ @-less representation
Regex.Replace("d:\\step.com\\www", "com\\\\www", "com");
2/ @-ful representation (just like the vb.net one)
Regex.Replace(@"d:\step.com\www", @"com\\www", @"com")

Note: I can't test it now but I'm quite positive it'll work.

hth,
Remas
http://www.aspalliance.com/remas/

--- Yannick Smits <Click here to reveal e-mail address> wrote:
[Original message clipped]

=====
Remas Wojciechowski
http://www.aspalliance.com/remas/

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System.Text.RegularExpressions.Regex

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