Re: StringBuilder Extension: IsQuotedBy

No, I don't reverse the quote token (an oversight), and StringBuilder does
not have the methods you use.

> -----Original Message-----
> From: Discussion of development on the .NET platform using any managed
> language [mailto:[email protected]] On Behalf Of Hugh
> Brown
> Sent: 14 February 2008 05:07 PM
> To: [email protected]
> Subject: Re: [DOTNET-CLR] StringBuilder Extension: IsQuotedBy
>
> Is your code the same as this:
>
>         public static bool IsQuotedBy(string sb, string quoteString)
> {
>     return sb.StartsWith(quoteString) &&
> sb.EndsWith(Reverse(quoteString));
> }
>
> public static bool Reverse(string s)
> {
>     StringBuilder sb = new StringBuilder();
>     for (int i = s.Length - 1; i >= 0; i--)
>         sb.Append(s[i]);
>     return sb.ToString();
> }
>
>
> Brady Kelly <[email protected]> wrote: I was playing around
> with avoiding, at all costs, creating surplus strings,
> and came up with the following method to see if a StringBuilder, that I
> use
> for each of a collection of string fields, is surrounded by a certain
> string, e.g. double quotes.  I was just wondering if this is an
> efficiant
> way of doing it:
>
>
>
>         public static bool IsQuotedBy(this StringBuilder sb, string
> quoteString)
>
>         {
>
>             // Check if the first characters match the quote string.
>
>             for (int i = 0; i < quoteString.Length; i++)
>
>             {
>
>                 if (sb[i] != quoteString[i])
>
>                 {
>
>                     return false;
>
>                 }
>
>             }
>
>
>
>             // Check if the last characters match the quote string.
>
>             for (int i = sb.Length - quoteString.Length; i < sb.Length;
> i++
> )
>
>             {
>
>                 int qsIndex = 0;
>
>                 if (sb[i] != quoteString[qsIndex++])
>
>                 {
>
>                     return false;
>
>                 }
>
>             }
>
>
>
>             return true;
>
>         }
>
>
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