Returns a FirstLookChar that is equivalent to a trivially accepting lookaround.
The returned look is semantically equivalent to (?=) == (?=[^]|$) or (?<=) == (?<=[^]|^).
(?=)
(?=[^]|$)
(?<=)
(?<=[^]|^)
Returns a FirstLookChar that is equivalent to a trivially accepting lookaround.
The returned look is semantically equivalent to
(?=)==(?=[^]|$)or(?<=)==(?<=[^]|^).