perl正则表达式中各种字符集的整理

UTF8

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CODE:

[/x01-/x7f]|[/xc0-/xdf][/x80-/xbf]|[/xe0-/xef][/x80-/xbf]{2}|[/xf0-/xff][/x80-/xbf]{3}

UTF16

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CODE:

[/x00-/xd7][/xe0-/xff]|[/xd8-/xdf][/x00-/xff]{2}

JIS

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CODE:

[/x20-/x7e]|[/x21-/x5f]|[/x21-/x7e]{2}

SJIS

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CODE:

[/x20-/x7e]|[/xa1-/xdf]|([/x81-/x9f]|[/xe0-/xef])([/x40-/x7e]|[/x80-/xfc])

EUC_JP

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CODE:

[/x20-/x7e]|/x81[/xa1-/xdf]|[/xa1-/xfe][/xa1-/xfe]|/x8f[/xa1-/xfe]{2}

EUC_JP标点符号及特殊字符

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CODE:

[/xa1-/xa2][/xa0-/xfe]

EUC_JP全角数字

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CODE:

/xa3[/xb0-/xb9]

EUC_JP全角大写英文

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CODE:

/xa3[/xc1-/xda]

EUC_JP全角小写英文

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CODE:

/xa3[/xe1-/xfa]

EUC_JP全角平假名

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CODE:

/xa4[/xa1-/xf3]

EUC_JP全角片假名 2007-03-12 15:00更新

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CODE:

/xa3[/xb0-/xb9]|/xa3[/xc1-/xda]|/xa5[/xa1-/xf6][/xa3][/xb0-/xfa]|[/xa1][/xbc-/xbe]|[/xa1][/xdd]

EUC_JP全角汉字 2007-03-12 15:06更新

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CODE:

[/xb0-/xcf][/xa0-/xd3]|[/xd0-/xf4][/xa0-/xfe]|[/xB0-/xF3][/xA1-/xFE]|[/xF4][/xA1-/xA6]|[/xA4][/xA1-/xF3]|[/xA5][/xA1-/xF6]|[/xA1][/xBC-/xBE]

Big5

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CODE:

[/x01-/x7f]|[/x81-/xfe]([/x40-/x7e]|[/xa1-/xfe])

GBK

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CODE:

[/x01-/x7f]|[/x81-/xfe][/x40-/xfe]

GB2312汉字

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CODE:

[/xb0-/xf7][/xa0-/xfe]

GB2312半角标点符号及特殊符号

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CODE:

/xa1[/xa2-/xfe]

GB2312罗马数组及项目序号

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CODE:

/xa2([/xa1-/xaa]|[/xb1-/xbf]|[/xc0-/xdf]|[/xe0-/xe2]|[/xe5-/xee]|[/xf1-/xfc])

GB2312全角标点及全角字母

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CODE:

/xa3[/xa1-/xfe]

GB2312日文平假名

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CODE:

/xa4[/xa1-/xf3]

GB2312日文片假名

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CODE:

/xa5[/xa1-/xf6]

補充:
GB18030

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CODE:

[/x00-/x7f]|[/x81-/xfe][/x40-/xfe]|[/x81-/xfe][/x30-/x39][/x81-/xfe][/x30-/x39]

2007-03-12 21:35 补充
日文半角空格

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CODE:

/x20

SJIS全角空格

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CODE:

(?:/x81/x81)

SJIS全角数字

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CODE:

(?:/x82[/x4f-/x58])

SJIS全角大写英文

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CODE:

(?:/x82[/x60-/x79])

SJIS全角小写英文

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CODE:

(?:/x82[/x81-/x9a])

SJIS全角平假名

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CODE:

(?:/x82[/x9f-/xf1])

SJIS全角平假名扩展

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CODE:

(?:/x82[/x9f-/xf1]|/x81[/x4a/x4b/x54/x55])

SJIS全角片假名

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CODE:

(?:/x83[/x40-/x96])

SJIS全角片假名扩展

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CODE:

(?:/x83[/x40-/x96]|/x81[/x45/x5b/x52/x53])

EUC_JP全角空格

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CODE:

(?:/xa1/xa1)

EUC半角片假名

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CODE:

(?:/x8e[/xa6-/xdf])