#region 字符串中多个连续空格转为一个空格
/// <summary>
/// 字符串中多个连续空格转为一个空格
/// </summary>
/// <param name="str">待处理的字符串</param>
/// <returns>合并空格后的字符串</returns>
public static string MergeSpace(string str)
{
if (str != string.Empty &&
str != null &&
str.Length > 0
)
{
str = new System.Text.RegularExpressions.Regex("[\s]+").Replace(str, " ");
}
return str;
}
#endregion