prompt: Write a JS function to tell me whether or not a string is a valid tag. A valid tag may or may not begin with a "#", and all the succeeding characters must be one of: ["P", "Y", "L", "Q", "G", "R", "J", "C", "U", "V", "0", "2", "8", "9"]
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: Write a JS function to tell me whether or not a string is a valid tag. A valid tag may or may not begin with a "#", and all the succeeding characters must be one of: ["P", "Y", "L", "Q", "G", "R", "J", "C", "U", "V", "0", "2", "8", "9"]
chosen.role: assistant
chosen.content: Here is a JavaScript function that returns a boolean indicating whether or not a string is a valid tag.
  
  export function isValidTag(tag: string): boolean {
          return tag
                  .replaceAll("#", "")
                  .split("")
                  .every((char) => ["P", "Y", "L", "Q", "G", "R", "J", "C", "U", "V", "0", "2", "8", "9"].includes(char));
  }
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: Write a JS function to tell me whether or not a string is a valid tag. A valid tag may or may not begin with a "#", and all the succeeding characters must be one of: ["P", "Y", "L", "Q", "G", "R", "J", "C", "U", "V", "0", "2", "8", "9"]
rejected.role: assistant