对数字的千分位处理
法1
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>>> "{:,}".format(56381779049)'56,381,779,049'>>> "{:,}".format(56381779049.1)'56,381,779,049.1'>>> |
法2
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>>> import re>>> subject = '1234567'>>> result = re.sub(r"(?<=\d)(?=(?:\d\d\d)+$)", ",", subject)>>> result'1,234,567' |
法3
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>>> import re>>> subject = '1234567'>>> result = re.sub(r"(\d)(?=(\d\d\d)+(?!\d))", r"\1,", subject)>>> result'1,234,567' |
格式化千分位数字
2.7版本以上直接用format设置千分位分隔符
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Python 2.7 (r27:82500, Nov 23 2010, 18:07:12)[GCC 4.1.2 20070115 (prerelease) (SUSE Linux)] on linux2Type "help", "copyright", "credits" or "license" for more information.>>> format(1234567890,',')'1,234,567,890'>>> |
正则实现
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import redef strConv(s): s = str(s) while True: (s,count) = re.subn(r"(\d)(\d{3})((:?,\d\d\d)*)$",r"\1,\2\3",s) if count == 0 : break return sprint strConv(12345) |
以上为个人经验，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/guaguastd/article/details/42549267
