douyou2234 2011-05-13 22:55
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2个子串之间的距离

How can I find the distance between two substrings values in a given string? For example, if I have the word terrific, and I wanted to find the distance between the "i"s (1 space apart). Thanks for your help.

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  • doujindou4356 2011-05-13 23:02
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    There are so many options that you could handle, but this is where to start.

    http://php.net/manual/en/function.strrpos.php

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