[Regexp] (no subject)

[MarK Neisler]

I have a problem that I am trying to solve using regular expressions.

To validate form input we have a java bean that will take a regular _expression_ to match for validation.

Here is the regular _expression_ I have.

[a-zA-Z0-9,.'&@_-]

this works however I need a regular _expression_ that will disallow any of the symbols being next to each other in the string. for instance -- -, @@ &' ,- and so on. Any suggestions? I have been working on this for 3 days any help greatly appreciated.

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