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好好看呢訥訥

jieba分詞主要功能

jieba分詞核心算法簡介

jieba三種分詞模式與特點

jieba分詞模式、核心算法

"""
Description:正則清洗HTML數據
Author:
Prompt:?code?in?python3?env
"""
"""
???re.I???使匹配對大小寫不敏感
???re.L???做本地化識別（locale-aware）匹配
???re.M???多行匹配，影響^(開頭)和$(結尾)
???re.S???匹配包含換行在內的所有字符
???re.U???根據Unicode字符集解析字符，這個標志影響?\w,?\W,?\b,?\B
???re.X???該標志通過給予你更靈活的格式以便你將正則表達式寫得更加
"""
import?re

#?處理HTML標簽文本
#?@param?htmlstr?html字符串


def?filter_tags(htmlstr):
???#?過濾doc_type
???htmlstr?=?'?'.join(htmlstr.split())
???re_doctype?=?re.compile(r'<!DOCTYPE?.*?>',?re.S)
???res?=?re_doctype.sub('',?htmlstr)

???"""
???#?過濾CDATA
???re_cdata?=?re.compile(?r'//<!CDATA\[[?>]?//\]?>',?re.I)
???res?=?re_cdata.sub('',?res)

???#?Script
???re_script?=?re.compile('<\s*script[^>]*>[^<]*<\s*/\s*script\s*>',?re.I)
???res?=?re_script.sub('',?res)

???#?注釋
???re_script?=?re.compile('<!--.*?-->',?0)
???res?=?re_script.sub('',?res)

???#?換行符
???re_br?=?re.compile('<br\n*?/?>')
???res?=?re_br.sub('\n',?res)

???#?HTML?標簽
???re_lable?=?re.compile('</?\w[^>]*>')
???res?=?re_lable.sub('',?res)

???#?轉義字符
???re_esc?=?re.compile('&.*?;')
???res?=?re_esc.sub('',?res)

???#?空格處理
???re_blank?=?re.compile('\s+')?#?\s包含?\t?\n?\r?\f?\v
???res?=?re_blank.sub('?',?res)

???#?超鏈接處理
???re_http?=?re.compile(r'(http://.+.html)')
???res?=?re_http.sub('?',?res)
???"""
???#?return?res
???re_mate?=?[
??????(r'<!DOCTYPE?.*?>',?re.S),
??????(r'//<!CDATA\[[?>]?//\]?>',?re.I),
??????(r'<\s*script[^>]*>[^<]*<\s*/\s*script\s*>',?re.I),
??????(r'<!--.*?-->',?re.I),
??????(r'<br\n*?/?>',?),
??????(r'</?\w[^>]*>',?),
??????(r'&.*?;',?),
??????(r'\s+',?),
??????(r'(http://.+.html)',?),
???]

???d?=?lambda?pattern,?flags=0:?re.compile(pattern,?flags)
???for?re_type?in?re_mate:
??????re_type?=?d(*re_type)
??????res?=?re_type.sub('?',?res)
???return?res

def?read_file(read_path):
???str_doc?=?''
???with?open(read_path,?'r',?encoding='utf-8')?as?f:
??????str_doc?=?f.read()
???return?str_doc


if?__name__?==?'__main__':
???str_doc?=?read_file(r're.html')
???res?=?filter_tags(str_doc)
????print(res)


#???with?open(r'../data/html/test.html',?'w',?encoding='utf-8')?as?f:
#??????f.write(res)
#???print('No?Exception')?#?我是通過另一個編輯器進行打開預覽的

這是我做的筆記，和老師的有些不一樣但是效果一樣的

Formit

ccccxxqaa

12233699988999988636999999999999999999999999999999999999999999999999999999....99..966699988558899699999999999966696663322885244856666699636999663366966668556666666445266699666666666336666666666666666666666666666666666666666666333699669966333333333333333333333333333333333333333333333366963585255772369963699999999996362885888669999669999996699999966699669966999852885244666999999999636999636995588566996669996

學習要點。

本節課程要點

本節課程要點

哈哈哈

ccvbnb

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