FXCop 1.32

using System;
using System.Diagnostics;
using System.Reflection;
using Microsoft.FxCop.Sdk;
using Microsoft.FxCop.Sdk.Introspection;
using Microsoft.Cci;
using System.Text.RegularExpressions;


public class stringwithStr:BaseIntrospectionRule
    {
    public stringwithStr():
    base(@"stringwithStr", "DummyProj.DLADesignRules",
    typeof(stringwithStr).Assembly)
        {
	        //
	        // TODO: Add constructor logic here
	        //
        }
    
    public override ProblemCollection Check(Member member)
        {
            // Member Variables
 
            // Look for str in local variable names
            Method method = member as Method;
            if (method == null)
            {
                return null;
            }
            LocalList list = null;
            if (method.Instructions.Length > 0)
            {
                list = method.Instructions[0].Value as LocalList;
            }
            if (list != null)
            {
                for (int i = 0; i < list.Length; i++)
                {
                    Local local = list[i];

                   if (local.Type == SystemTypes.String)
                    {
                        if (ContainsStr(local.Name.Name))
                        {
                            // Found a local containing a numeric in the name
                            base.Problems.Add(new Problem(base.GetResolution(local.Name.Name), local.Name.Name));

                        }
                    }
                }
            }
  
            return base.Problems;
        }

    
        private bool ContainsStr(string variableName)
        {
             
            //NOTE:
            //Use regexp instaed of substring, which will be more faster.
                if (!(variableName.Substring(0, 3).ToString().Trim() == "str"))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            
        }


    }