一个字符串中带有双引号，如何获取到双引号内的字符串呢？
例如string words="hello\"world\"";要获取到"world"
using System.Text.RegularExpressions;
string words = " hello\"world\" " ;
Regex regex = new Regex( " \"[^\"]*\" " );
string result = regex.Match(words).Value.Replace( " \" " , "" );