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Alternative Tip/Trick

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How to Toggle String Case in .Net

, 11 Feb 2011 CPOL
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Interesting finding in regards to the Case Toggle Algorithm by Robert (see the following code snippet): protected string ToggleCaseByRobert(string s){ var sb = new StringBuilder(s.Length); foreach (char c in s) sb.Append(char.IsUpper(c) ? char.ToLower(c) :...
Interesting finding in regards to the Case Toggle Algorithm by Robert (see the following code snippet):
protected string ToggleCaseByRobert(string s)
{
    var sb = new StringBuilder(s.Length);
    foreach (char c in s)
        sb.Append(char.IsUpper(c) ? char.ToLower(c) : char.ToUpper(c));
    return sb.ToString();
}
 
The functionality will stay the same if the line:
var sb = new StringBuilder(s.Length);
is replaced with simplified version:
var sb = new StringBuilder();
but the original version demonstrates about 5...10% performance boost. Kudos to Robert Rohde for this useful tip!

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Dr. A. Bell has 20+ years of Software and Electrical Engineering experience: Win/Web veteran, published 300+ articles and authored 37 inventions, credited for 10+ Enterprise level projects (>250k code lines); currently focused on .NET/WPF, C#, HTML5, jQuery, SQL, 'Big Data', AI, Speech Tech and Mobile apps. He participated in App Innovation Contest (AIC 2102/2013) with several winning submissions. Sample projects/pubs follow:
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