"Han" class

fixes #8

Author: jakubmisek

src/Peachpie.Library.RegularExpressions/RegexCharClass.cs

@@ -74,6 +74,8 @@ internal sealed class RegexCharClass
         internal const string ECMADigitClass = "\x00\x02\x00" + ECMADigitSet;
         internal const string NotECMADigitClass = "\x01\x02\x00" + ECMADigitSet;
 
+        private const string HanClass = "\u2E80\u2FE0\u2FF0\u3040\u3400\u4DC0\u4E00\uA000\uF900\uFB00\U00016FE0\U00017000\U00020000\U0002A6E0\U0002A700\U0002EE60\U0002F800\U0002FA20\U00030000\U000323B0";
+
         internal const string AnyClass = "\x00\x01\x00\x00";
         internal const string EmptyClass = "\x00\x00\x00";
 
@@ -142,6 +144,8 @@ internal sealed class RegexCharClass
          *   XML schema spec (http://www.w3.org/TR/2001/PR-xmlschema-2-20010316/#charcter-classes), Unicode 4.0 spec (www.unicode.org),
          *   and Perl 5.6 (see Programming Perl, 3rd edition page 167).   Three blocks defined by Perl (and here) may
          *   not be in the Unicode: IsHighPrivateUseSurrogates, IsHighSurrogates, and IsLowSurrogates.
+         *   
+         *   Additional blocks listed at https://en.wikipedia.org/wiki/Unicode_block .
          *
         **/
         // Has to be sorted by the first column
@@ -159,6 +163,7 @@ internal sealed class RegexCharClass
             new[] {"Greek",                               "\u0370\u0400"},
             new[] {"Gujarati",                            "\u0A80\u0B00"},
             new[] {"Gurmukhi",                            "\u0A00\u0A80"},
+            new[] {"Han",                                 HanClass },
             new[] {"Hanunoo",                             "\u1720\u1740"},
             new[] {"Hebrew",                              "\u0590\u0600"},
             new[] {"Hiragana",                            "\u3040\u30A0"},

tests/Peachpie.Library.RegularExpressions.Tests/PcreTests.cs

@@ -64,6 +64,14 @@ public void TestArabic()
 
             Assert.True(match(@"/^\p{Arabic}+/u", "إن").Success);
         }
+        
+        [Fact]
+        public void TestHan()
+        {
+            // '/^\p{Han}+$/u', $word
+
+            Assert.True(match(@"/^\p{Han}+$/u", "\u3000").Success);
+        }
 
         [Fact]
         public void TestParseException()