c# - Regex string does not contain dot -


i need write following regex (c#) - input string not contain dot (.) character. how can it?

p.s. have access regex. cannot use "string.contains" method (api of third-party application). that's why asked how regex

thanks in advance

you use below regex don't allow dot character,

^[^.]+$

example:

string s = "0787654321"; if (regex.ismatch(s, @"^[^.]+$")) { console.writeline("correct format"); } else { console.writeline("error! wrong format."); }

ideone


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