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Learn python to convert Chinese numbers into Arabic numerals

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Release： 2021-03-11 10:12:40

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Learn python to convert Chinese numbers into Arabic numerals

Python converts Chinese numbers into Arabic numerals

Regular expression to extract text Numbers
Convert Chinese to Arabic numerals
Complete code

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Regular expression to extract numbers from text

Here is a demonstration of extracting Chinese years from text

import re
m0 = "在一九四九年新中国成立比一九九零年低百分之五点二人一九九六年击败俄军,取得实质独立"pattrern1 = '[零一二三四五六七八九]{4,}'pattrern2 = '[〇一二三四五六七八九零壹贰叁肆伍陆柒捌玖貮两]{4,}'time1 = re.findall(pattrern1,m0)#转化数字

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Extract years such as: '1949', '1990', '1996'
Here are many examples of regular expressions: example

Convert Chinese to Arabic numerals

Create a dictionary and then match the numerical entries:

CN_NUM = {
    '〇': 0, '一': 1, '二': 2, '三': 3, '四': 4, '五': 5, '六': 6, '七': 7, '八': 8, '九': 9, '零': 0,
    '壹': 1, '贰': 2, '叁': 3, '肆': 4, '伍': 5, '陆': 6, '柒': 7, '捌': 8, '玖': 9, '貮': 2, '两': 2,}for i in range(len(time1)):
    new_str = ''
    for j in time1[i]:
        new_str +=  str(CN_NUM[j])
    time1[i] = new_str
time1

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The result will come out, successfully converting the Chinese year in the above example into Arabic numerals: '1949', '1990', ' 1996'

Complete code

# 2、将句子中年份的大写数字改为阿拉伯数字import re
m0 = "在一九四九年新中国成立比一九九零年低百分之五点二人一九九六年击败俄军,取得实质独立"pattrern1 = '[零一二三四五六七八九]{4,}'pattrern2 = '[〇一二三四五六七八九零壹贰叁肆伍陆柒捌玖貮两]{4,}'time1 = re.findall(pattrern1,m0)#转化数字CN_NUM = {
    '〇': 0, '一': 1, '二': 2, '三': 3, '四': 4, '五': 5, '六': 6, '七': 7, '八': 8, '九': 9, '零': 0,
    '壹': 1, '贰': 2, '叁': 3, '肆': 4, '伍': 5, '陆': 6, '柒': 7, '捌': 8, '玖': 9, '貮': 2, '两': 2,}for i in range(len(time1)):
    new_str = ''
    for j in time1[i]:
        new_str +=  str(CN_NUM[j])
    time1[i] = new_str
time1

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