private static string VisitRegexOptions(MethodCallExpression m, RegexOptions options)
{
RegexOptions[] allowedOptions = new RegexOptions[] { RegexOptions.IgnoreCase, RegexOptions.Multiline, RegexOptions.None };
foreach (RegexOptions Type in Enum.GetValues(typeof(RegexOptions)))
{
if ((options & Type) == Type && !allowedOptions.Contains(Type))
throw new NotSupportedException(string.Format("Only the RegexOptions.Ignore and RegexOptions.Multiline options are supported.", m.Method.Name));
}
var jsoptions = "g";
if ((options & RegexOptions.IgnoreCase) == RegexOptions.IgnoreCase)
jsoptions += "i";
if ((options & RegexOptions.Multiline) == RegexOptions.Multiline)
jsoptions += "m";
return jsoptions;
}
