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public java v1 · immutable public static String autolink(String instr) { Pattern p = Pattern.compile("([Hh][Tt][Tt][Pp]://(.*?))\\s|\\.\\s|$|\\.$"); StringBuffer sb = new StringBuffer(); Matcher m = p.matcher(instr); while (m.find()) { String r = "<a href=\""+m.group(1)+"\" target=\"browser\">"+m.group(1)+"</a>"; m.appendReplacement(sb, r); } return sb.toString(); }