BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
//Mark unary minus with u-token.
It is in one of the ParseSimple overloads. The 2nd line under this comment should be replaced with this line.
text = sb.Replace(",-",",u").Replace("[-","[u").Replace("=-","=u").Replace(">-",">u").Replace("<-","
.Replace("/-","/u").Replace("*-","*u").Replace("+-","+u").Replace("--","-u").ToString();