const regex = new RegExp('^
(?P<name>
(?:(?P<domain>(?:(?:localhost|[\\w-]+(?:\\.[\\w-]+)+)(?::\\d+)?)|[\\w]+:\\d+)/)?
(?P<image>[a-z0-9_.-]+(?:/[a-z0-9_.-]+)*)
)
(?::(?P<tag>[\\w][\\w.-]{0,127}))?
(?:@(?P<digest>[A-Za-z][A-Za-z0-9]*(?:[+.-_][A-Za-z][A-Za-z0-9]*)*:[0-9a-fA-F]{32,}))?
$', 'gim')
const str = `alpine
alpine:latest
library/alpine
localhost/test
localhost:1234/test
test:1234/bla
alpine:3.7
docker.example.com/gmr/alpine:3.7
docker.example.com/gmr/alpine/test2:3.7
docker.example.com/gmr/alpine/test2/test3:3.7
docker.example.com:5000/gmr/alpine:latest
docker.example.com:5000/gmr/alpine:latest@sha256:5ae13221a775e9ded1d00f4dd6a3ad869ed1d662eb8cf81cb1fc2ba06f2b7172
docker.example.com:5000/gmr/alpine/test2:latest@sha256:5ae13221a775e9ded1d00f4dd6a3ad869ed1d662eb8cf81cb1fc2ba06f2b7172
docker.example.com/gmr/alpine/test2:latest@sha256:5ae13221a775e9ded1d00f4dd6a3ad869ed1d662eb8cf81cb1fc2ba06f2b7172
docker.example.com/gmr/alpine/test2@sha256:5ae13221a775e9ded1d00f4dd6a3ad869ed1d662eb8cf81cb1fc2ba06f2b7172
portainer/portainer:latest
registry:2@sha256:5a156ff125e5a12ac7fdec2b90b7e2ae5120fa249cf62248337b6d04abc574c8`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions