const regex = /\b(?<!-)(?<role_name>[a-z0-9]+(?:-[a-z0-9]+)*?)(?:-([a-f0-9]{10}))?-([a-z0-9]+)\b(?!-)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\b(?<!-)(?<role_name>[a-z0-9]+(?:-[a-z0-9]+)*?)(?:-([a-f0-9]{10}))?-([a-z0-9]+)\\b(?!-)', 'gm')
const str = `events-worker-7c9b7bdc55-f7sgc
notification-585f6b94b8-t4jjc
report-generator-749ccf648d-gd9j7
static-content-8445d7f556-wbxvp
init-database-fm44h
`;
// 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