在Java中用下划线+小写字母替换大写字母？
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Replace capital letter with underscore + lowercase letter in Java?
提问by dragostis
Is there a way to use RegEx in Java to replace all capital letters with an underscore and the same letter only lowercase?
有没有办法在 Java 中使用 RegEx 用下划线替换所有大写字母，而相同的字母只用小写？
Example:
getSpecialString-> get_special_string
示例：
getSpecialString->get_special_string
采纳答案by hsz
Just try with:
只需尝试：
"getSpecialString".replaceAll("([A-Z])", "_").toLowerCase();
回答by Valentyn Kolesnikov
There is a snakeCase method in underscore-javalibrary:
underscore-java库中有一个 snakeCase 方法：
import com.github.underscore.lodash.U;
public class Main {
public static void main(String[] args) {
U.snakeCase("getSpecialString"); // -> get_special_string
}
}
