invalidDomainChars top-level constant
String
const invalidDomainChars
invalidDomainChars
is a constant RegExp pattern string, designed to
match any characters that are considered invalid within a domain name
context.
It is constructed from the following components:
[punct]
is intended to represent any punctuation characters.[spacesGroup]
matches any characters considered as whitespace or spaces.[invalidCharsGroup]
is meant to match any other characters that are invalid in domain names.[directionalMarkersGroup]
is designed to match any Unicode directional markers.
Implementation
const invalidDomainChars =
'$punct$spacesGroup$invalidCharsGroup$directionalMarkersGroup';