Java String Camel Case to Underscore camelCase2UnderscoreLowercase(String name)

Description

camel Case Underscore Lowercase

License

Apache License

Declaration

public static String camelCase2UnderscoreLowercase(String name) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static String camelCase2UnderscoreLowercase(String name) {
        return camelCase2Underscore(name).toLowerCase().replace('-', '_');
    }/*from   w  ww  .j av  a2  s  .c  o  m*/

    public static String camelCase2Underscore(String name) {
        return camelCase2Delimiter(name, '_');
    }

    private static String camelCase2Delimiter(String name, char delimiter) {
        if (name == null || !name.matches(".*[A-Z].*") || !name.matches(".*[a-z].*"))
            return name;

        String regex = "([a-zA-Z])([A-Z])";
        String replacement = "$1" + delimiter + "$2";

        return name.replaceAll(regex, replacement).replaceAll(regex, replacement);
    }
}

Related

1. camelCase2UnderScoreCase(String str)
2. camelCaseToLowerCaseUnderline(String name)
3. camelCaseToUnderline(String name)
4. camelCaseToUnderscore(final String camelCaseString)
5. camelCaseToUnderscore(final String str)