Can't get wifi to work: 0bda:c820 Realtek Semiconductor Corp. 802.11ac NIC

Support Network
5

i got this, i tried without the brackets, but it did not work so i tried it with and got this:

** (pamac:3279): WARNING **: 04:59:20.923: database.vala:1054: Error while compiling regular expression [link] at char 37: range out of order in character class

** (pamac:3279): WARNING **: 04:59:20.954: database.vala:1054: Error while compiling regular expression [link] at char 37: range out of order in character class

** (pamac:3279): WARNING **: 04:59:21.057: database.vala:1054: Error while compiling regular expression [link] at char 37: range out of order in character class

** (pamac:3279): WARNING **: 04:59:21.347: database.vala:1054: Error while compiling regular expression [link] at char 37: range out of order in character class

** (pamac:3279): WARNING **: 04:59:21.359: database.vala:1054: Error while compiling regular expression [link] at char 37: range out of order in character class

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