const regex = new RegExp('\\bsource(?::|=)(?:"(?P<value1>[^"]+)"|(?P<value2>\\S+))', 'gm')
const str = `... source="source name with quotes - special characters also" ...
... source=source_name_without_quotes_with_special-characters* ...
... source="source_name_with_quotes_no_spaces-*" ...`;
// 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