package in.lib.utils;
import java.util.regex.Pattern;
public class Regex
{
private static final String UNICODE_SPACES = "[" +
"\\u0009-\\u000d" + // # White_Space # Cc [5] <control-0009>..<control-000D>
"\\u0020" + // White_Space # Zs SPACE
"\\u0085" + // White_Space # Cc <control-0085>
"\\u00a0" + // White_Space # Zs NO-BREAK SPACE
"\\u1680" + // White_Space # Zs OGHAM SPACE MARK
"\\u180E" + // White_Space # Zs MONGOLIAN VOWEL SEPARATOR
"\\u2000-\\u200a" + // # White_Space # Zs [11] EN QUAD..HAIR SPACE
"\\u2028" + // White_Space # Zl LINE SEPARATOR
"\\u2029" + // White_Space # Zp PARAGRAPH SEPARATOR
"\\u202F" + // White_Space # Zs NARROW NO-BREAK SPACE
"\\u205F" + // White_Space # Zs MEDIUM MATHEMATICAL SPACE
"\\u3000" + // White_Space # Zs IDEOGRAPHIC SPACE
"]";
private static String LATIN_ACCENTS_CHARS = "\\u00c0-\\u00d6\\u00d8-\\u00f6\\u00f8-\\u00ff" + // Latin-1
"\\u0100-\\u024f" + // Latin Extended A and B
"\\u0253\\u0254\\u0256\\u0257\\u0259\\u025b\\u0263\\u0268\\u026f\\u0272\\u0289\\u028b" + // IPA Extensions
"\\u02bb" + // Hawaiian
"\\u0300-\\u036f" + // Combining diacritics
"\\u1e00-\\u1eff"; // Latin Extended Additional (mostly for Vietnamese)
/* URL related hash regex collection */
private static final String URL_VALID_PRECEEDING_CHARS = "(?:[^A-Z0-9@＠$#＃\u202A-\u202E]|^)";
private static final String URL_VALID_CHARS = "[\\p{Alnum}" + LATIN_ACCENTS_CHARS + "]";
private static final String URL_VALID_SUBDOMAIN = "(?:(?:" + URL_VALID_CHARS + "[" + URL_VALID_CHARS + "\\-_]*)?" + URL_VALID_CHARS + "\\.)";
private static final String URL_VALID_DOMAIN_NAME = "(?:(?:" + URL_VALID_CHARS + "[" + URL_VALID_CHARS + "\\-]*)?" + URL_VALID_CHARS + "\\.)";
/* Any non-space, non-punctuation characters. \p{Z} = any kind of whitespace or invisible separator. */
private static final String URL_VALID_UNICODE_CHARS = "[.[^\\p{Punct}\\s\\p{Z}\\p{InGeneralPunctuation}]]";
private static final String URL_VALID_GTLD =
"(?:(?:aero|asia|biz|cat|com|coop|edu|gov|info|int|jobs|mil|mobi|museum|name|net|org|" +
"pro|tel|travel|xxx)(?=\\P{Alnum}|$))";
private static final String URL_VALID_TLD =
"(?:(?:ac|academy|actor|ad|ae|aero|af|ag|agency|ai|al|am|an|ao|aq|ar|arpa|as|asia|at|au|" +
"aw|ax|az|ba|bar|bargains|bb|bd|be|berlin|best|bf|bg|bh|bi|bid|bike|biz|bj|blue|" +
"bm|bn|bo|boutique|br|bs|bt|build|builders|buzz|bv|bw|by|bz|ca|cab|camera|camp|" +
"cards|careers|cat|catering|cc|cd|center|ceo|cf|cg|ch|cheap|christmas|ci|ck|cl|" +
"cleaning|clothing|club|cm|cn|co|codes|coffee|com|community|company|computer|" +
"condos|construction|contractors|cool|coop|cr|cruises|cu|cv|cw|cx|cy|cz|dance|" +
"dating|de|democrat|diamonds|directory|dj|dk|dm|dnp|do|domains|dz|ec|edu|" +
"education|ee|eg|email|enterprises|equipment|er|es|estate|et|eu|events|expert|" +
"exposed|farm|fi|fish|fj|fk|flights|florist|fm|fo|foundation|fr|futbol|ga|" +
"gallery|gb|gd|ge|gf|gg|gh|gi|gift|gl|glass|gm|gn|gov|gp|gq|gr|graphics|gs|gt|" +
"gu|guitars|guru|gw|gy|hk|hm|hn|holdings|holiday|house|hr|ht|hu|id|ie|il|im|" +
"immobilien|in|industries|info|ink|institute|int|international|io|iq|ir|is|it|" +
"je|jetzt|jm|jo|jobs|jp|kaufen|ke|kg|kh|ki|kim|kitchen|kiwi|km|kn|koeln|kp|kr|" +
"kred|kw|ky|kz|la|land|lb|lc|li|lighting|limo|link|lk|lr|ls|lt|lu|luxury|lv|ly|" +
"ma|maison|management|mango|marketing|mc|md|me|menu|mg|mh|mil|mk|ml|mm|mn|mo|" +
"mobi|moda|monash|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|nagoya|name|nc|ne|" +
"net|neustar|nf|ng|ni|ninja|nl|no|np|nr|nu|nz|okinawa|om|onl|org|pa|partners|" +
"parts|pe|pf|pg|ph|photo|photography|photos|pics|pink|pk|pl|plumbing|pm|pn|post|" +
"pr|pro|productions|properties|ps|pt|pub|pw|py|qa|qpon|re|recipes|red|rentals|" +
"repair|report|reviews|rich|ro|rs|ru|ruhr|rw|sa|sb|sc|sd|se|sexy|sg|sh|shiksha|" +
"shoes|si|singles|sj|sk|sl|sm|sn|so|social|solar|solutions|sr|st|su|supplies|" +
"supply|support|sv|sx|sy|systems|sz|tattoo|tc|td|technology|tel|tf|tg|th|tienda|" +
"tips|tj|tk|tl|tm|tn|to|today|tokyo|tools|tp|tr|training|travel|tt|tv|tw|tz|ua|" +
"ug|uk|uno|us|uy|uz|va|vacations|vc|ve|ventures|vg|vi|viajes|villas|vision|vn|" +
"vote|voting|voto|voyage|vu|wang|watch|wed|wf|wien|wiki|works|ws|xxx|xyz|ye|yt|" +
"za|zm|zone|zw)(?=\\P{Alnum}|$))";
private static final String URL_PUNYCODE = "(?:xn--[0-9a-z]+)";
private static final String URL_VALID_DOMAIN =
"(?:" + // subdomains + domain + TLD
URL_VALID_SUBDOMAIN + "+" + URL_VALID_DOMAIN_NAME + // e.g. www.twitter.com, foo.co.jp, bar.co.uk
"(?:" + URL_VALID_GTLD + "|" + URL_VALID_TLD + "|" + URL_PUNYCODE + ")" +
")" +
"|(?:" + // domain + gTLD
URL_VALID_DOMAIN_NAME + // e.g. twitter.com
"(?:" + URL_VALID_GTLD + "|" + URL_PUNYCODE + ")" +
")" +
"|(?:" + "(?<=https?://)" +
"(?:" +
"(?:" + URL_VALID_DOMAIN_NAME + URL_VALID_TLD + ")" + // protocol + domain + ccTLD
"|(?:" +
URL_VALID_UNICODE_CHARS + "+\\." + // protocol + unicode domain + TLD
"(?:" + URL_VALID_GTLD + "|" + URL_VALID_TLD + ")" +
")" +
")" +
")" +
"|(?:" + // domain + ccTLD + '/'
URL_VALID_DOMAIN_NAME + URL_VALID_TLD + "(?=/)" + // e.g. t.co/
")";
private static final String URL_VALID_PORT_NUMBER = "[0-9]++";
private static final String URL_VALID_GENERAL_PATH_CHARS = "[a-z0-9!\\*';:=\\+,.\\$/%#\\[\\]\\-_~\\|&@" + LATIN_ACCENTS_CHARS + "]";
/** Allow URL paths to contain balanced parens
* 1. Used in Wikipedia URLs like /Primer_(film)
* 2. Used in IIS sessions like /S(dfd346)/
**/
private static final String URL_BALANCED_PARENS = "\\(" + URL_VALID_GENERAL_PATH_CHARS + "+\\)";
/** Valid end-of-path chracters (so /foo. does not gobble the period).
* 2. Allow =&# for empty URL parameters and other URL-join artifacts
**/
private static final String URL_VALID_PATH_ENDING_CHARS = "[a-z0-9=_#/\\-\\+" + LATIN_ACCENTS_CHARS + "]|(?:" + URL_BALANCED_PARENS +")";
private static final String URL_VALID_PATH = "(?:" +
"(?:" +
URL_VALID_GENERAL_PATH_CHARS + "*" +
"(?:" + URL_BALANCED_PARENS + URL_VALID_GENERAL_PATH_CHARS + "*)*" +
URL_VALID_PATH_ENDING_CHARS +
")|(?:@" + URL_VALID_GENERAL_PATH_CHARS + "+/)" +
")";
private static final String URL_VALID_URL_QUERY_CHARS = "[a-z0-9!?\\*'\\(\\);:&=\\+\\$/%#\\[\\]\\-_\\.,~\\|@]";
private static final String URL_VALID_URL_QUERY_ENDING_CHARS = "[a-z0-9_&=#/]";
public static final String VALID_URL_PATTERN_STRING =
"(" + // $1 total match
"(" + URL_VALID_PRECEEDING_CHARS + ")" + // $2 Preceeding chracter
"(" + // $3 URL
"(https?://)?" + // $4 Protocol (optional)
"(" + URL_VALID_DOMAIN + ")" + // $5 Domain(s)
"(?::(" + URL_VALID_PORT_NUMBER +"))?" + // $6 Port number (optional)
"(/" +
URL_VALID_PATH + "*+" +
")?" + // $7 URL Path and anchor
"(\\?" + URL_VALID_URL_QUERY_CHARS + "*" + // $8 Query String
URL_VALID_URL_QUERY_ENDING_CHARS + ")?" +
")" +
")";
private static String AT_SIGNS_CHARS = "@\uFF20";
private static final String DOLLAR_SIGN_CHAR = "\\$";
private static final String CASHTAG = "[a-z]{1,6}(?:[._][a-z]{1,2})?";
public static final Pattern REGEX_URL = Pattern.compile(VALID_URL_PATTERN_STRING, Pattern.CASE_INSENSITIVE);
public static final int VALID_URL_GROUP_ALL = 1;
public static final int VALID_URL_GROUP_BEFORE = 2;
public static final int VALID_URL_GROUP_URL = 3;
public static final int VALID_URL_GROUP_PROTOCOL = 4;
public static final int VALID_URL_GROUP_DOMAIN = 5;
public static final int VALID_URL_GROUP_PORT = 6;
public static final int VALID_URL_GROUP_PATH = 7;
public static final int VALID_URL_GROUP_QUERY_STRING = 8;
public static final Pattern INVALID_URL_WITHOUT_PROTOCOL_MATCH_BEGIN = Pattern.compile("[-_./]$");
private static final String REGEX_ASTRIX = "(\\*\\*([^\\s][^.\\*\\*?$]+[^\\s])\\*\\*)";
private static final String REGEX_SLASH = "(\\*([^\\s][^.*?$]+[^\\s])\\*)|(/([^\\s][^./?$]+[^\\s])/)";
private static final String REGEX_UNDERSCORE = "(_([^\\s][^._?$]+[^\\s])_)";
public static final Pattern MATCH_ASTRIX = Pattern.compile(REGEX_ASTRIX, Pattern.CASE_INSENSITIVE);
public static final Pattern MATCH_SLASH = Pattern.compile(REGEX_SLASH, Pattern.CASE_INSENSITIVE);
public static final Pattern MATCH_UNDERSCORE = Pattern.compile(REGEX_UNDERSCORE, Pattern.CASE_INSENSITIVE);
}