how to replace a string ignoring case?

Question

Possible Duplicate:
Is there an alternative to string.Replace that is case-insensitive?

I'm looking for alternative to:

string str = "data ... ";
string replace = "data";
str = str.Replace(replace, "new value");
str = str.Replace(replace.ToLower(),"new value");

if possible using no regex. Thanks in advance.

http://stackoverflow.com/questions/244531/is-there-an-alternative-to-string-replace-that-is-case-insensitive — PMC, Dec 15 '11 at 13:45

score 1 · Accepted Answer · answered Dec 15 '11 at 13:49

Without Regex, I don't know.

With Regex, it would give you something like this :

var regex = new Regex( str, RegexOptions.IgnoreCase );
var newSentence = regex.Replace( sentence, "new value" );

I found an interesting article here, with a sample code that looks to work faster than Regex.Replace : http://www.codeproject.com/KB/string/fastestcscaseinsstringrep.aspx

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