C# Regex find string between two strings with newLine

The name of the Multiline option is misleading, as is the one of the correct option - Singleline:

Regex r = new Regex("start(.*?)end", RegexOptions.Singleline);

From MSDN, RegexOptions Enumeration:

Singleline - Specifies single-line mode. Changes the meaning of the dot (.) so it matches every character (instead of every character except \n).


Include the RegexOptions.SingleLine which means that . matches everything, including \n

Regex r = new Regex("start(.*?)end", RegexOptions.Multiline | RegexOptions.SingleLine);

See http://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regexoptions.aspx for more details.


Use Singleline instead of Multiline:

Regex r = new Regex("start(.*?)end", RegexOptions.Singleline);

BTW, RegexBuddy is your invaluable friend (No, I'm not connected whatsoever to the author, except for being a happy user).


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