Index - A
| absolute | Turtle |
| alphaNum | Turtle.Pattern, Turtle |
| Alternative | Turtle |
| anyChar | Turtle.Pattern, Turtle |
| append | Turtle.Prelude, Turtle |
| appendonly | Turtle.Prelude, Turtle |
| Applicative | Turtle |
| arguments | Turtle.Prelude, Turtle |
| asciiCI | Turtle.Pattern, Turtle |