Validating filenames with regularexpression validator uncomfortable dating

I'm trying to validate my file name and file extension using regular expression.

My file name should only contain these characters:'A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,0,1,2,3,4,5,6,7,8,9,_,.,@,-,(,), ' and my extension only should accept files.

This is because Nova will always check for errors in the session data, and automatically bind them to the view if they are available. The field under validation must be entirely alphabetic characters.

The field under validation may have alpha-numeric characters, as well as dashes and underscores.

The OP doesn't put any specific "looks sane" requirements on.

To note that it uses the new Database API for verification of data presence in the Database.

This regular expression pattern is widely use in for different file extensive checking.

Bm P , true Image is valid : , true Image is valid : , true Image is valid : , true Image is valid : , true Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : , false Image is valid : a.

Message: The file or folder name contains characters that are not permitted.

The field under validation must be entirely alpha-numeric characters. The field under validation must be a value preceding the given date.

The dates will be passed into the PHP The file under validation must be an image (jpeg, png, bmp, or gif) The field under validation must be included in the given list of values.

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