How Can we add one special symbol '-',along with numbers from 0 to 9 ,in validation pf asp page.?

If Possible Can any one help me with some code snippet.Its very urgentHow Can we add one special symbol '-',along with numbers from 0 to 9 ,in validation pf asp page.?
%26amp; ndash; = -





%26amp; mdash; = -- %26lt;%26lt;%26lt;%26lt; longer dash





there is a semicolon after the h





take out space after the %26amp;


How Can we add one special symbol '-',along with numbers from 0 to 9 ,in validation pf asp page.?
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