public static void main(String[] args) { String s = "aaaa......bbbb....ccc...dddddd"; String s2 = s.replaceAll("\\.+",""); System.out.println(s2); // s2:aaaabbbbcccdddddd String s3 = s2.replaceAll("(.)\\1+","$1"); // $1代表第一组中的内容 System.out.println(s3); //s3:abcd }
字符串aaaa......bbbb....ccc...dddddd用正则替换为abcd
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转载自www.cnblogs.com/chichung/p/10234365.html
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