Java 정규식을 사용하여 모든 대문자를 문자열 끝으로 이동

public class RemovingSpecialCharacters { public static void main(String args[]) { String input = "sample B text C with G upper case LM characters in between"; String regex = "[A-Z]"; String specialChars = ""; String inputData = ""; for(int i=0; i< input.length(); i++) { char ch = input.charAt(i); if(String.valueOf(ch).matches(regex)) { specialChars = specialChars + ch; } else { inputData = inputData + ch; } } System.out.println("Result: "+inputData+specialChars); } }

Result: sample text with upper case characters in betweenBCGLM

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Test { public static void main(String args[]) { String input = "sample B text C with G upper case LM characters in between"; String regex = "[A-Z]"; String specialChars = ""; System.out.println("Input string: \n"+input); //Creating a pattern object Pattern pattern = Pattern.compile(regex); //Matching the compiled pattern in the String Matcher matcher = pattern.matcher(input); //Creating an empty string buffer StringBuffer sb = new StringBuffer(); while (matcher.find()) { specialChars = specialChars+matcher.group(); matcher.appendReplacement(sb, ""); } matcher.appendTail(sb); System.out.println("Result: \n"+ sb.toString()+specialChars ); } }

Input string: sample B text C with G upper case LM characters in between Result: sample text with upper case characters in betweenBCGLM