Region search: Validate input. about bluegenes HOT 6 CLOSED

@sehgalvibhor That sounds like a good approach!

@rachellyne regarding @sehgalvibhor's question above, is a formula along the lines of (some alphanumeric chars):(numeric characters)(.. or -)(numeric characters) appropriate?

p.s. let me know if I wasn't clear enough there.

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@yochannah : My thoughts on this is to implement a regex for the 'region-input' to check the string format before dispatching a function to the server otherwise raise a validation alert. Thoughts?

Also, I am not sure about the regex for the input field. Can you help me with this?

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That will catch any inappropriately formatted regions but will not catch regions that do not return results because, for example, they are out of range for the sequence - but maybe that's ok (These should become obvious from the results.) Also it won't catch anything with a wrong chromosome number? eg Drosophila only has chromosomes 1-4, so 8:xxxx..xxx would still go though as correct?

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Thanks @rachellyne! out of range / chromosome number checks probably need to be made on the server I think. @julie-sullivan does that sound right? Or do we have the data for valid ranges available via web service somehow?

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@sehgalvibhor While we're thinking about that second question, I think it's safe to proceed with the formula (some alphanumeric chars):(numeric characters)(.. or -)(numeric characters) - is that enough for you to go on?

Here's an example of a regex being used in bluegenes:

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@yochannah : Yes I'll try out on the formula you mentioned. Just to confirm these can be multi-line and tab-spaced right?

Also, is it better if we disable the button dynamically like currently being done for empty search strings etc or wait for the user to press the button?

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