Regex.IsMatch vs string.Contains

Posted by Pradeep on Stack Overflow See other posts from Stack Overflow or by Pradeep
Published on 2010-06-03T00:51:19Z Indexed on 2010/06/03 0:54 UTC
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c#

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.NET

Is there any difference in speed/memory usage for these two equivalent expressions:

Regex.IsMatch(Message, "1000")

Vs

Message.Contains("1000")

Any situations where one is better than other ?

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