const regex = /^
# Build information should not contain dev and nightly stuff:
(?!.*(nig(ht|th)ly|develop|development))
# Optional compatibility prefix "version-" or "v":
(?<compatibility>[a-z]*-|v)?
# Major, minor and patch numbers:
(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+)
# Capture the optional build information:
(?:
[\.-]?
(?<build>.*)
)?
$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^
# Build information should not contain dev and nightly stuff:
(?!.*(nig(ht|th)ly|develop|development))
# Optional compatibility prefix "version-" or "v":
(?<compatibility>[a-z]*-|v)?
# Major, minor and patch numbers:
(?<major>\\d+)\\.(?<minor>\\d+)\\.(?<patch>\\d+)
# Capture the optional build information:
(?:
[\\.-]?
(?<build>.*)
)?
$', 'gm')
const str = `100.200.300
100.200.300.7068-ls170
v100.200.300-ls213
version-100.200.300
version-100.200.300-ls180
version-100.200.300.11111
100.200.300.7068-ls170
nigthly-100.200.300
nightly-100.200.300.3604-ls587
100.200.300-development
100.200.300-develop
100.200.300-nigthly
`;
// 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