string inputStr=" xx xx "; inputStr=Regex.Replace(inputStr.Trim()," *"," ");

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stringinputStr="xxxx";inputStr=Regex.Replace(inputStr.Trim(),"*","");stringinputStr="xxxx";inputStr=

string inputStr=" xx xx "; inputStr=Regex.Replace(inputStr.Trim()," *"," ");
string inputStr=" xx xx "; inputStr=Regex.Replace(inputStr.Trim()," *"," ");

string inputStr=" xx xx "; inputStr=Regex.Replace(inputStr.Trim()," *"," ");
Replace(inputStr.Trim()," *"," ")中Trim()方法是去掉字符串前后空白," *"," "是用后面一个空格" "替换掉前面的"*".,总的意思是用空格替换掉"*"并去掉inputStr字符串前后的空白.