Ruby on Rails

Manoj M. wrote in post #1113802:
> Hi
> anybody help me to find suitable validation way for Hash_Tag, My need is
> user should only type hash_tag like below format.
> a) #sports
> b) #sports,#news

There's not enough information here to really know how to help you, but
the solution will almost certainly involve regular expressions...

http://www.regular-expressions.info

So would the following format be invalid in your app?

"Some random text #sports and some more random text #news #football."

You have not specified enough detail for what you consider valid
hashtags to formulate a workable regular expression.

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