c# how to write a dot modifier in RegExp? - 


private string pattern = @"^.$";

the dot not identified modifier, literal string, how idetify modifier?

you forgot add quantifier .:

if want match 0 or more: @"^.*$"

if want match 1 or more: @"^.+$"

don't forget regular expressions greedy default. if want non-greedy, append ? .*


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