string trim end bug | Microsoft Connect

string trim end bug by Reynaldo Ferrer

Closed

as By Design Help for as By Design

Type:	Bug
ID:	776234
Opened:	1/10/2013 5:26:38 AM
Access Restriction:	Public

Workaround(s)

view

User(s) can reproduce this bug

Check this sequence used on immediate window:

"cebola.legal".TrimEnd(".legal".ToCharArray())
"cebo"
"cebola.legal".TrimEnd("legal".ToCharArray())
"cebola."
"cebola.legal".TrimEnd("\.legal".ToCharArray())
Unrecognized escape sequence
"cebola.legal".TrimEnd("..legal".ToCharArray())
"cebo"
"cebola.legal".TrimEnd("........legal".ToCharArray())
"cebo"
"cebola.legal".TrimEnd("........legalp".ToCharArray())
"cebo"
"cebola.legal".TrimEnd("........legalpato".ToCharArray())
"ceb"

Details (expand)

.NET Framework 4.0

on a simple console, go to immediate window and repeat the sequence

"cebola.legal".TrimEnd(".legal".ToCharArray()) //expected : cebola

English

Windows 7 SP1

Portuguese (Brazilian)

"cebola.legal".TrimEnd(".legal".ToCharArray()) //expected : cebola, but we have a "cebo" string

"cebo"

"cebola" string!

0 attachments

Posted by Microsoft on 2/11/2013 at 12:10 PM

Hi Reynaldo Ferrer,

That's by-design. The trim APIs will remove any characters that passed via the char array -- order doesn't matter. You use String.Replace() if it doesn't matter where the string occurs. For most precise control you also use System.Text.Regex.

Regards,
Immo Landwerth
.NET Framework Team

Posted by Microsoft on 1/10/2013 at 9:00 PM

Thanks for your feedback.

We are rerouting this issue to the appropriate group within the Visual Studio Product Team for triage and resolution. These specialized experts will follow-up with your issue.

Posted by Microsoft on 1/10/2013 at 5:50 AM

Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(http://support.microsoft.com)