public bool IsExpression (string expr)
{
if (expr == null)
return false;
using (ICSharpCode.NRefactory.IParser parser = ICSharpCode.NRefactory.ParserFactory.CreateParser (SupportedLanguage.CSharp, new StringReader (expr))) {
var parsedExpr = parser.ParseExpression ();
if (parsedExpr == null)
return false;
var visitor = new ICSharpCode.NRefactory.PrettyPrinter.CSharpOutputVisitor ();
parsedExpr.AcceptVisitor (visitor, null);
return Strip (expr) == Strip (visitor.Text);
}
}