Split string based on Roman Numerals C# -

i want find roman numbers inside string (numbers below 20 enough) , split string based on roman numbers

eg:user input :

whats name?i)my name c# ii)my name ror iii)my name java 

i want

whats name? i)my name c#  ii)my name ror  iii)my name java 

edit:this format optional questions..so options wont go no more 5 or 6..

this code:

string input = "i. text. ii. text... v. stupid text. xvii. eshe kakaya-to hernya...";  regex r = new regex(@"\bx{0,3}(i{1,3}|i[vx]|vi{0,3})\b", regexoptions.ignorecase); string result = r.replace(input, new matchevaluator(e => environment.newline + e.value)).trim(); 

result:

i. text.  ii. text...  v. stupid text.  xvii. eshe kakaya-to hernya...