| 编码 |
字符集编码范围 |
| UTF8 |
[x01-x7f]|[xc0-xdf][x80-xbf]|[xe0-xef][x80-xbf]{2}|[xf0-xff][x80-xbf]{3} |
| UTF16 |
[x00-xd7][xe0-xff]|[xd8-xdf][x00-xff]{2} |
| Big5 |
[x01-x7f]|[x81-xfe]([x40-x7e]|[xa1-xfe]) |
| GBK |
[x01-x7f]|[x81-xfe][x40-xfe] |
| GB2312汉字 |
[xb0-xf7][xa0-xfe] |
| GB2312半角标点符号及特殊符号 |
xa1[xa2-xfe] |
| GB2312罗马数组及项目序号 |
xa2([xa1-xaa]|[xb1-xbf]|[xc0-xdf]|[xe0-xe2]|[xe5-xee]|[xf1-xfc]) |
| GB2312全角标点及全角字母 |
xa3[xa1-xfe] |
| GB2312日文平假名 |
xa4[xa1-xf3] |
| GB2312日文片假名 |
xa5[xa1-xf6] |
| GB18030 |
[x00-x7f]|[x81-xfe][x40-xfe]|[x81-xfe][x30-x39][x81-xfe][x30-x39] |
| JIS |
[x20-x7e]|[x21-x5f]|[x21-x7e]{2} |
| SJIS |
[x20-x7e]|[xa1-xdf]|([x81-x9f]|[xe0-xef])([x40-x7e]|[x80-xfc]) |
| SJIS全角空格 |
(?:x81x81) |
| SJIS全角数字 |
(?:x82[x4f-x58]) |
| SJIS全角大写英文 |
(?:x82[x60-x79]) |
| SJIS全角小写英文 |
(?:x82[x81-x9a]) |
| SJIS全角平假名 |
(?:x82[x9f-xf1]) |
| SJIS全角平假名扩展 |
(?:x82[x9f-xf1]|x81[x4ax4bx54x55]) |
| SJIS全角片假名 |
(?:x83[x40-x96]) |
| SJIS全角片假名扩展 |
(?:x83[x40-x96]|x81[x45x5bx52x53]) |
| EUC_JP |
[x20-x7e]|x81[xa1-xdf]|[xa1-xfe][xa1-xfe]|x8f[xa1-xfe]{2} |
| EUC_JP标点符号及特殊字符 |
[xa1-xa2][xa0-xfe] |
| EUC_JP全角数字 |
xa3[xb0-xb9] |
| EUC_JP全角大写英文 |
xa3[xc1-xda] |
| EUC_JP全角小写英文 |
xa3[xe1-xfa] |
| EUC_JP全角平假名 |
xa4[xa1-xf3] |
| EUC_JP全角片假名 |
xa3[xb0-xb9]|xa3[xc1-xda]|xa5[xa1-xf6][xa3][xb0-xfa]|[xa1][xbc-xbe]|[xa1][xdd] |
| EUC_JP全角汉字 |
[xb0-xcf][xa0-xd3]|[xd0-xf4][xa0-xfe]|[xB0-xF3][xA1-xFE]|[xF4][xA1-xA6]|[xA4][xA1-xF3]|[xA5][xA1-xF6]|[xA1][xBC-xBE] |
| EUC_JP全角空格 |
(?:xa1xa1) |
| EUC半角片假名 |
(?:x8e[xa6-xdf]) |
| 日文半角空格 |
x20 |
