If I have a string "Param1=value1;Param2=value2;Param3=val3", how can I get the value between the substrings "Param2=" and the next semicolon (or end of string, whichever comes first)?"If I have a string "Param1=value1;Param2=value2
阅读背景：
使用正则表达式在两个子串之间获取值
来源：互联网
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