How do you tell if two wildcards overlap?

Posted by Tom Ritter on Stack Overflow See other posts from Stack Overflow or by Tom Ritter
Published on 2010-05-12T18:05:37Z Indexed on 2010/05/14 19:04 UTC
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language-agnostic

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wildcard

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string-comparison

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string-manipulation

Given two strings with * wildcards, I would like to know if a string could be created that would match both.

For example, these two are a simple case of overlap:

Hello*World
Hel*

But so are all of these:

*.csv
reports*.csv
reportsdump.csv

Is there an algorithm published for doing this? Or perhaps a utility function in Windows or a library I might be able to call or copy?

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