字符串操作
提问人:刘冬梅发布时间:2020-10-12
抽取和定位子串
string poem = “In Xanadu did Kubla Khan”;
string poemSeg = poem.Substring(10);
poemSeg = poem.Substring(0,9);
int index = poem.IndexOf(“I”);
index = poem.LastIndexOf(“n”);
比较字符串
bool isMatch;
string title = "Ancient Mariner";
isMatch = (title == "ANCIENT AMRINER");
isMatch = (title.ToUpper() == "ANCIENT MARINER");
isMatch = title.Equals("Ancient Mariner");
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