Wrote function to generate rune slice representing valid dot metacharacter values

misc.go

@@ -5,6 +5,16 @@ import (
 	"unicode"
 )
 
+func dotCharacters() []rune { // Returns all possible characters represented by the dot metacharacter
+	start := 0x0020
+	end := 0x007E
+	to_return := make([]rune, (end-start)+1)
+	for i := start; i <= end; i++ {
+		to_return = append(to_return, rune(i))
+	}
+	return to_return
+}
+
 func isAlphaNum(c rune) bool {
 	return unicode.IsLetter(c) || unicode.IsNumber(c)
 }