1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | import java.util.Arrays;import java.util.regex.Matcher;import java.util.regex.Pattern;public class test { public static void main(String[] args) { System.out.println(phoneNum("01012345678")); System.out.println(name("왕효상")); System.out.println(email("dress07@test.com")); System.out.println(ip("127.0.0.1")); } public static String phoneNum(String str) { String replaceString = str; Matcher matcher = Pattern.compile("^(\\d{3})-?(\\d{3,4})-?(\\d{4})$").matcher(str); if(matcher.matches()) { replaceString = ""; boolean isHyphen = false; if(str.indexOf("-") > -1) { isHyphen = true; } for(int i=1;i<=matcher.groupCount();i++) { String replaceTarget = matcher.group(i); if(i == 2) { char[] c = new char[replaceTarget.length()]; Arrays.fill(c, '*'); replaceString = replaceString + String.valueOf(c); } else { replaceString = replaceString + replaceTarget; } if(isHyphen && i < matcher.groupCount()) { replaceString = replaceString + "-"; } } } return replaceString; } public static String name(String str) { String replaceString = str; String pattern = ""; if(str.length() == 2) { pattern = "^(.)(.+)$"; } else { pattern = "^(.)(.+)(.)$"; } Matcher matcher = Pattern.compile(pattern).matcher(str); if(matcher.matches()) { replaceString = ""; for(int i=1;i<=matcher.groupCount();i++) { String replaceTarget = matcher.group(i); if(i == 2) { char[] c = new char[replaceTarget.length()]; Arrays.fill(c, '*'); replaceString = replaceString + String.valueOf(c); } else { replaceString = replaceString + replaceTarget; } } } return replaceString; } public static String email(String str) { String replaceString = str; Matcher matcher = Pattern.compile("^(..)(.*)([@]{1})(.*)$").matcher(str); if(matcher.matches()) { replaceString = ""; for(int i=1;i<=matcher.groupCount();i++) { String replaceTarget = matcher.group(i); if(i == 2) { char[] c = new char[replaceTarget.length()]; Arrays.fill(c, '*'); replaceString = replaceString + String.valueOf(c); } else { replaceString = replaceString + replaceTarget; } } } return replaceString; } public static String ip(String str) { String replaceString = str; Matcher matcher = Pattern.compile("^([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})$").matcher(str); if(matcher.matches()) { replaceString = ""; for(int i=1;i<=matcher.groupCount();i++) { String replaceTarget = matcher.group(i); if(i == 3) { char[] c = new char[replaceTarget.length()]; Arrays.fill(c, '*'); replaceString = replaceString + String.valueOf(c); } else { replaceString = replaceString + replaceTarget; } if(i < matcher.groupCount()) { replaceString =replaceString + "."; } } } return replaceString; }} |
