Java check ipv6 with regex

Java ip regex pattern

String pattern = "([01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])";

Java check ipv6 with regex

String pattern_ipv6 = "(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))";
if(Pattern.matches(pattern_ipv6, ipAddress)) {
  return true;
}

Java regex ip

public static boolean isIP(String ip)  {
    Pattern p = Pattern.compile("(([01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])\\.){3}([01]?[0-9]{1,2}|2[0-4][0-9]|25[0-5])");
    Matcher m = p.matcher(ip);
    return m.matches();
}

Source: farenda.com

Similar codes

1 vote163 views2 answers
Spring annotations xml configuration
Java Spring
0 vote158 views1 answer
What went wrong: Execution failed for task ':app:processDebugMainManifest'. > Unable to make field private final java.lang.String java.io.File.path accessible: module java.base does not "opens java.io" to unnamed module @1ce90e66
Java
3 votes140 views1 answer
Java read string input
Java
1 vote136 views1 answer
Difference between java and javax
Java
1 vote122 views2 answers
Import in java
Java
9 votes124 views2 answers
Static and final in java
Java
0 vote167 views1 answer
Spring yml property boolean
Java Spring
1 vote107 views1 answer
Textarea user select disable java swing
Java
0 vote126 views1 answer
Float to bytes java
Java
2 votes118 views3 answers
Map interation in java
Java