CheckDNS returns if a given value is a conformant DNS_SUBDOMAIN.

CheckKey validates a key.

CheckLabels validates all the keys and values for the label set.

CheckName checks the characters in a name but does not validate the length.

CheckValue returns if the value is valid.

MustParse parses the selector but will panic if there is an issue.

Parse takes a string representing a selector and returns a selector object, or an error.

SkipValidation is an option to skip checking the values of selector expressions.

At is a common rune.

BackSlash is a common rune.

BackTick is a common rune.

Bang is a common rune.

CarriageReturn is a common rune.

CloseBracket is a common rune.

CloseParens is a common rune.

Colon is a common rune.

Comma is a common rune.

Dash is a common rune.

Dot is a common rune.

Equal is a common rune.

ErrInvalidOperator is returned if the operator is invalid.

ErrInvalidSelector is returned if there is a structural issue with the selector.

ErrLabelInvalidCharacter indicates a value contains characters.

ErrLabelKeyDNSSubdomainEmpty indicates a key's "dns" subdomain is empty, i.e.

ErrLabelKeyDNSSubdomainTooLong indicates a key's "dns" subdomain is too long.

ErrLabelKeyEmpty indicates a key is empty.

ErrLabelKeyInvalidDNSSubdomain indicates a key contains characters.

ErrLabelKeyTooLong indicates a key is too long.

ErrLabelValueTooLong indicates a value is too long.

ForwardSlash is a common rune.

MaxLabelKeyDNSSubdomainLen is the maximum dns prefix length.

MaxLabelKeyLen is the maximum key length.

MaxLabelValueLen is the maximum value length.

NewLine is a common rune.

OpDoubleEquals is an operator.

OpenBracket is a common rune.

OpenCurly is a common rune.

OpenParens is a common rune.

OpEquals is an operator.

OpIn is an operator.

OpNotEquals is an operator.

OpNotIn is an operator.

Space is a common rune.

Tab is a common rune.

Tilde is a common rune.

Underscore is a common rune.

MaxLabelKeyTotalLen is the maximum total key length.

Any matches everything.

Equals returns if a key strictly equals a value.

In returns if a key matches a set of values.

NotEquals returns if a key strictly equals a value.

NotIn returns if a key does not match a set of values.

ParseError is a specific parse error.

Parser parses a selector incrementally.

Selector is the common interface for selector types.

And is a combination selector.

Error is a hard alias to string.

HasKey returns if a label set has a given key.

Labels is an alias for map[string]string.

NotHasKey returns if a label set does not have a given key.

Option is a tweak to selector parsing.