const regex = /^@[^{]+\{([^,]+),/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^@[^{]+\\{([^,]+),', 'gm')
const str = `@Article{m2023a,
author = {S. Macdonald},
journal = {Social Science Information},
title = {The gaming of citation and authorship in academic journals: a warning from medicine},
year = {2023},
doi = {10.1177/05390184221142218},
issue = {In Press},
}
@Misc{b2017a,
author = {S. Buranyi},
title = {Is the staggeringly profitable business of scientific publishing bad for science?},
year = {2017},
journal = {The Guardian, 27 June 2017},
url = {https://www.theguardian.com/science/2017/jun/27/profitable-business-scientific-publishing-bad-for-science},
}`;
// 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