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Re: Insert comma in number?

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  Re: Insert comma in number? John Posner <jjposner@optimum.net> - 2013-03-07 14:06 -0500

#40813 — Re: Insert comma in number?

Peter Otten wrote:

> Last not least there's the option to employ locale-aware formatting:


Not quite last ... there's the mind-bending regular expression route:

   import re
   re.sub(r"(?<=\d)(?=(\d\d\d)+$)", ",", "12345678")   # 12,345,678
   re.sub(r"(?<=\d)(?=(\d\d\d)+$)", ",", "-54321")     # -54,321

-John

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