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server validation: how to disallow quotes on filename?

Thread began 7/29/2019 6:19 am by tony | Last modified 8/01/2019 12:48 am by tony | 47 views | 3 replies


server validation: how to disallow quotes on filename?

Hello Ray,
I already applied the alphanumeric rule to a file field validation allowing only uppecases, lowercases, numbers and few charaters (_-.), excluding the parenthesis.
But the page crash while uploading a file containing a single quote. I already know this is a reserved characters, but it can happen that a a site visitor doesn't know this.
How can I solve this? I'm using DB1, at the moment.
I have DB2 but I can't migrate all live websites now.

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