Regular expression only accepts 0 or 5.
Is there a regex expression to evaluate that?
Thanks.
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dani77
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You need to go actually learn regexes. Asking if a regex can do this is like asking whether Java can add numbers, or asking whether cars can move. – user2357112 Nov 24 '16 at 01:03
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@user2357112 I don't want to learn regex, I only want to know that. Thanks for subtract me reputation. – dani77 Nov 24 '16 at 01:19
2 Answers
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You can use either "0|5" or "[05]". The first is an alternative, the second is a character class. They will behave identically. See the documentation for Pattern for more information on the building blocks for regular expressions.
Ted Hopp
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Read this. And use this:
"^[05]$"
Yevhen Kuzmovych
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The question is tagged `java` and you're referring OP to .NET documentation? Cool. – Ted Hopp Nov 24 '16 at 01:08
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@TedHopp Does Regex Language depends on the language you use it in? – Yevhen Kuzmovych Nov 24 '16 at 01:13
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@YevhenKuzmovych not for such a simple regex, but there are huge diffrences between implementations. – Sebastian Proske Nov 24 '16 at 01:16
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The basics are pretty much identical, but there are differences. See, e.g., [this thread](http://stackoverflow.com/questions/12401794/differences-in-regex-between-java-net-and-javascript) and especially some of the resources linked to from there. – Ted Hopp Nov 24 '16 at 01:18
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