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replace non-printing

    博客分类:
  • Java
 
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java version

public static String replace(String input) {
    String re = "[\u0000-\u0009\u000b-\u001f\ue000-\uf8ff]";
    Pattern p = Pattern.compile(re);
    Matcher m = p.matcher(input);
    String output = m.replaceAll("");
    return output;
 }

PHP version

function replaceIllegalcharset($input){
            return preg_replace('/[\x{0000}-\x{0009}\x{000b}-\x{001f}\x{e000}\x{f8ff}]/u', '', $input);
      }

principle

this two functions use regular to replace non-printing characters of unicode, non-printing characters of unicode include Control(0000-0020) and Private Use Zone(e000-f8ff)
but \x0020 is space and \x000a is return

full unicode chart

0000-007F:C0控制符及基本拉丁文 (C0 Control and Basic Latin) 
0080-00FF:C1控制符及拉丁文补充-1 (C1 Control and Latin 1 Supplement) 
0100-017F:拉丁文扩展-A (Latin Extended-A) 
0180-024F:拉丁文扩展-B (Latin Extended-B) 
0250-02AF:国际音标扩展 (IPA Extensions) 
02B0-02FF:空白修饰字母 (Spacing Modifiers) 
0300-036F:结合用读音符号 (Combining Diacritics Marks) 
0370-03FF:希腊文及科普特文 (Greek and Coptic) 
0400-04FF:西里尔字母 (Cyrillic) 
0500-052F:西里尔字母补充 (Cyrillic Supplement) 
0530-058F:亚美尼亚语 (Armenian) 
0590-05FF:希伯来文 (Hebrew) 
0600-06FF:阿拉伯文 (Arabic) 
0700-074F:叙利亚文 (Syriac) 
0750-077F:阿拉伯文补充 (Arabic Supplement) 
0780-07BF:马尔代夫语 (Thaana) 
07C0-077F:西非書面語言 (N'Ko) 
0800-085F:阿维斯塔语及巴列维语 (Avestan and Pahlavi) 
0860-087F:Mandaic 
0880-08AF:撒马利亚语 (Samaritan) 
0900-097F:天城文书 (Devanagari) 
0980-09FF:孟加拉语 (Bengali) 
0A00-0A7F:锡克教文 (Gurmukhi) 
0A80-0AFF:古吉拉特文 (Gujarati) 
0B00-0B7F:奥里亚文 (Oriya) 
0B80-0BFF:泰米尔文 (Tamil) 
0C00-0C7F:泰卢固文 (Telugu) 
0C80-0CFF:卡纳达文 (Kannada) 
0D00-0D7F:德拉维族语 (Malayalam) 
0D80-0DFF:僧伽罗语 (Sinhala) 
0E00-0E7F:泰文 (Thai) 
0E80-0EFF:老挝文 (Lao) 
0F00-0FFF:藏文 (Tibetan) 
1000-109F:缅甸语 (Myanmar) 
10A0-10FF:格鲁吉亚语 (Georgian) 
1100-11FF:朝鲜文 (Hangul Jamo) 
1200-137F:埃塞俄比亚语 (Ethiopic) 
1380-139F:埃塞俄比亚语补充 (Ethiopic Supplement) 
13A0-13FF:切罗基语 (Cherokee) 
1400-167F:统一加拿大土著语音节 (Unified Canadian Aboriginal Syllabics) 
1680-169F:欧甘字母 (Ogham) 
16A0-16FF:如尼文 (Runic) 
1700-171F:塔加拉语 (Tagalog) 
1720-173F:Hanunóo 
1740-175F:Buhid 
1760-177F:Tagbanwa 
1780-17FF:高棉语 (Khmer) 
1800-18AF:蒙古文 (Mongolian) 
18B0-18FF:Cham 
1900-194F:Limbu 
1950-197F:德宏泰语 (Tai Le) 
1980-19DF:新傣仂语 (New Tai Lue) 
19E0-19FF:高棉语记号 (Kmer Symbols) 
1A00-1A1F:Buginese 
1A20-1A5F:Batak 
1A80-1AEF:Lanna 
1B00-1B7F:巴厘语 (Balinese) 
1B80-1BB0:巽他语 (Sundanese) 
1BC0-1BFF:Pahawh Hmong 
1C00-1C4F:雷布查语(Lepcha) 
1C50-1C7F:Ol Chiki 
1C80-1CDF:曼尼普尔语 (Meithei/Manipuri) 
1D00-1D7F:语音学扩展 (Phonetic Extensions) 
1D80-1DBF:语音学扩展补充 (Phonetic Extensions Supplement) 
1DC0-1DFF:结合用读音符号补充 (Combining Diacritics Marks Supplement) 
1E00-1EFF:拉丁文扩充附加 (Latin Extended Additional) 
1F00-1FFF:希腊语扩充 (Greek Extended) 
2000-206F:常用标点 (General Punctuation) 
2070-209F:上标及下标 (Superscripts and Subscripts) 
20A0-20CF:货币符号 (Currency Symbols) 
20D0-20FF:组合用记号 (Combining Diacritics Marks for Symbols) 
2100-214F:字母式符号 (Letterlike Symbols) 
2150-218F:数字形式 (Number Form) 
2190-21FF:箭头 (Arrows) 
2200-22FF:数学运算符 (Mathematical Operator) 
2300-23FF:杂项工业符号 (Miscellaneous Technical) 
2400-243F:控制图片 (Control Pictures) 
2440-245F:光学识别符 (Optical Character Recognition) 
2460-24FF:封闭式字母数字 (Enclosed Alphanumerics) 
2500-257F:制表符 (Box Drawing) 
2580-259F:方块元素 (Block Element) 
25A0-25FF:几何图形 (Geometric Shapes) 
2600-26FF:杂项符号 (Miscellaneous Symbols) 
2700-27BF:印刷符号 (Dingbats) 
27C0-27EF:杂项数学符号-A (Miscellaneous Mathematical Symbols-A) 
27F0-27FF:追加箭头-A (Supplemental Arrows-A) 
2800-28FF:盲文点字模型 (Braille Patterns) 
2900-297F:追加箭头-B (Supplemental Arrows-B) 
2980-29FF:杂项数学符号-B (Miscellaneous Mathematical Symbols-B) 
2A00-2AFF:追加数学运算符 (Supplemental Mathematical Operator) 
2B00-2BFF:杂项符号和箭头 (Miscellaneous Symbols and Arrows) 
2C00-2C5F:格拉哥里字母 (Glagolitic) 
2C60-2C7F:拉丁文扩展-C (Latin Extended-C) 
2C80-2CFF:古埃及语 (Coptic) 
2D00-2D2F:格鲁吉亚语补充 (Georgian Supplement) 
2D30-2D7F:提非纳文 (Tifinagh) 
2D80-2DDF:埃塞俄比亚语扩展 (Ethiopic Extended) 
2E00-2E7F:追加标点 (Supplemental Punctuation) 
2E80-2EFF:CJK 部首补充 (CJK Radicals Supplement) 
2F00-2FDF:康熙字典部首 (Kangxi Radicals) 
2FF0-2FFF:表意文字描述符 (Ideographic Description Characters) 
3000-303F:CJK 符号和标点 (CJK Symbols and Punctuation) 
3040-309F:日文平假名 (Hiragana) 
30A0-30FF:日文片假名 (Katakana) 
3100-312F:注音字母 (Bopomofo) 
3130-318F:朝鲜文兼容字母 (Hangul Compatibility Jamo) 
3190-319F:象形字注释标志 (Kanbun) 
31A0-31BF:注音字母扩展 (Bopomofo Extended) 
31C0-31EF:CJK 笔画 (CJK Strokes) 
31F0-31FF:日文片假名语音扩展 (Katakana Phonetic Extensions) 
3200-32FF:封闭式 CJK 文字和月份 (Enclosed CJK Letters and Months) 
3300-33FF:CJK 兼容 (CJK Compatibility) 
3400-4DBF:CJK 统一表意符号扩展 A (CJK Unified Ideographs Extension A) 
4DC0-4DFF:易经六十四卦符号 (Yijing Hexagrams Symbols) 
4E00-9FBF:CJK 统一表意符号 (CJK Unified Ideographs) 
A000-A48F:彝文音节 (Yi Syllables) 
A490-A4CF:彝文字根 (Yi Radicals) 
A500-A61F:Vai 
A660-A6FF:统一加拿大土著语音节补充 (Unified Canadian Aboriginal Syllabics Supplement) 
A700-A71F:声调修饰字母 (Modifier Tone Letters) 
A720-A7FF:拉丁文扩展-D (Latin Extended-D) 
A800-A82F:Syloti Nagri 
A840-A87F:八思巴字 (Phags-pa) 
A880-A8DF:Saurashtra 
A900-A97F:爪哇语 (Javanese) 
A980-A9DF:Chakma 
AA00-AA3F:Varang Kshiti 
AA40-AA6F:Sorang Sompeng 
AA80-AADF:Newari 
AB00-AB5F:越南傣语 (Vi?t Thái) 
AB80-ABA0:Kayah Li 
AC00-D7AF:朝鲜文音节 (Hangul Syllables) 
D800-DBFF:High-half zone of UTF-16 
DC00-DFFF:Low-half zone of UTF-16 
E000-F8FF:自行使用區域 (Private Use Zone) 
F900-FAFF:CJK 兼容象形文字 (CJK Compatibility Ideographs) 
FB00-FB4F:字母表達形式 (Alphabetic Presentation Form) 
FB50-FDFF:阿拉伯表達形式A (Arabic Presentation Form-A) 
FE00-FE0F:变量选择符 (Variation Selector) 
FE10-FE1F:竖排形式 (Vertical Forms) 
FE20-FE2F:组合用半符号 (Combining Half Marks) 
FE30-FE4F:CJK 兼容形式 (CJK Compatibility Forms) 
FE50-FE6F:小型变体形式 (Small Form Variants) 
FE70-FEFF:阿拉伯表達形式B (Arabic Presentation Form-B) 
FF00-FFEF:半型及全型形式 (Halfwidth and Fullwidth Form) 
FFF0-FFFF:特殊 (Specials)
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