GetOrValuesPromRegex returns "or" values from the given Prometheus-like regexp expr.

GetOrValuesRegex returns "or" values from the given regexp expr.

NewPromRegex returns PromRegex for the given expr.

NewRegex returns Regex for the given expr.

RemoveStartEndAnchors removes '^' at the start of expr and '$' at the end of the expr.

SimplifyPromRegex simplifies the given Prometheus-like expr.

SimplifyRegex simplifies the given regexp expr.

PromRegex implements an optimized string matching for Prometheus-like regex.

Regex implements an optimized string matching for Go regex.