extract Urls from string by regular expression - Android java.util.regex

Android examples for java.util.regex:URL Pattern

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Description

extract Urls from string by regular expression

Demo Code

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main{
  private static Pattern urlPattern = Pattern
      .compile("((?:(http|https|Http|Https):\\/\\/"
              + "(?:(?:[a-zA-Z0-9\\$\\-\\_\\.\\+\\!\\*\\'\\(\\)\\,\\;\\?\\&\\=]|"
              + "(?:\\%[a-fA-F0-9]{2})){1,64}(?:\\:(?:[a-zA-Z0-9\\$\\-\\_\\.\\"
              + "+\\!\\*\\'\\(\\)\\,\\;\\?\\&\\=]|(?:\\%[a-fA-F0-9]{2})){1,25})"
              + "?\\@)?)?((?:(?:[a-zA-Z0-9][a-zA-Z0-9\\-\\_]{0,64}\\.)"
              + "+(?:(?:aero|arpa|asia|a[cdefgilmnoqrstuwxz])"
              + "|(?:biz|b[abdefghijmnorstvwyz])|(?:cat|com|"
              + "coop|c[acdfghiklmnoruvxyz])|d[ejkmoz]|(?:edu|e[cegrstu])|f[ijkmor]"
              + "|(?:gov|g[abdefghilmnpqrstuwy])|h[kmnrtu]|(?:info|int|i[delmnoqrst])"
              + "|(?:jobs|j[emop])|k[eghimnrwyz]|l[abcikrstuvy]|"
              + "(?:mil|mobi|museum|m[acdeghklmnopqrstuvwxyz])|"
              + "(?:name|net|n[acefgilopruz])|(?:org|om)|(?:pro|p[aefghklmnrstwy])|"
              + "qa|r[eouw]|s[abcdeghijklmnortuvyz]|(?:tel|travel|t[cdfghjklmnoprtvwz])"
              + "|u[agkmsyz]|v[aceginu]|w[fs]|y[etu]|z[amw]))|(?:(?:25[0-5]|2[0-4][0-9]"
              + "|[0-1][0-9]{2}|[1-9][0-9]|[1-9])\\.(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}"
              + "|[1-9][0-9]|[1-9]|0)\\.(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}|[1-9][0-9]"
              + "|[1-9]|0)\\.(?:25[0-5]|2[0-4][0-9]|[0-1][0-9]{2}|[1-9][0-9]|[0-9])))"
              + "(?:\\:\\d{1,5})?)(\\/(?:(?:[a-zA-Z0-9\\;\\/\\?\\:\\@\\&\\=\\#\\~%\\-\\."
              + "\\+\\!\\*\\'\\(\\)\\,\\_])|(?:\\%[a-fA-F0-9]{2}))*)?");
    public static List<String> extractUrls(String text) {
        List<String> urls = new ArrayList<String>();

        Matcher matcher = urlPattern.matcher(text);
        while (matcher.find()) {
            urls.add(matcher.group());/*from w  w  w. j  a  va2 s  .c o  m*/
        }

        return urls;
    }

}

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