/// 11/11/2022 Mahesh Kumar Yadav. <br/>

/// <summary>

/// No case sensitive in string replace

/// </summary>

/// <param name="originalString"></param>

/// <param name="oldValue"></param>

/// <param name="newValue"></param>

/// <returns></returns>

static string CaseInsenstiveReplace(string originalString, string oldValue, string newValue)

{

     Regex regEx = new Regex(oldValue,

     RegexOptions.IgnoreCase | RegexOptions.Multiline);

     return regEx.Replace(originalString, newValue);

}