- String input = “abcdefghijk”;
- String regex = “(.{2})”;
- input = input.replaceAll (regex, “$1 “);
- System.out.println (input);
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2019-09-12
首页 • Java • 怎么给java中给字符串中每两位字符加一个空格
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怎么给java中给字符串中每两位字符加一个空格String input = "abcdefghijk"; String regex = "(.{2})"; input = input.replaceAll (regex, "$1 "); System.out.println (input);
2019-09-12
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