PHP: Format a numeric string by inserting comma

Posted by gameover on Stack Overflow See other posts from Stack Overflow or by gameover
Published on 2010-03-13T03:42:31Z Indexed on 2010/04/08 6:43 UTC
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Filed under:

regex

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php

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formatting

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string

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string-manipulation

I need a way to convert a number into formatted way by inserting comma at suitable places. Can it be done using regex?

Example:

12345 => 12,345
1234567 =>1,234,567

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