This box contains a list of patterns that can be used to identify files of the selected type. For example, the pattern *. txt is associated with the file type'text/ plain '; all files ending in'. txt 'are recognized as plain text files.
Cynhwysa' r blwch yma restr o batrymau a ellir eu defnyddio i ddynodi ffeiliau o' r math dewisiedig. Er enghraifft, mae' r patrwm *. txt wedi' i gysylltu â' r math ffeil 'text/ plain'; adnabyddir pob ffeil â' r terfyniad '. txt' fel ffeiliau testun plaen.