|
|
|
@ -187,7 +187,7 @@ are a few examples, using @racket[:] prefixed SRE syntax:
|
|
|
|
|
wrapping position around it.}
|
|
|
|
|
]
|
|
|
|
|
|
|
|
|
|
The lexer raises an exception @racket[exn:fail:read] if none of the
|
|
|
|
|
The lexer raises an @racket[exn:fail:read] exception if none of the
|
|
|
|
|
regular expressions match the input. Hint: If @racket[(any-char
|
|
|
|
|
_custom-error-behavior)] is the last rule, then there will always
|
|
|
|
|
be a match, and @racket[_custom-error-behavior] is executed to
|