const regex = new RegExp('[sS]ee, e\\.g\\.[^(]*\\((\\d*)\\D+Cir[^(]*\\((\\d+)\\D+Cir', 'gm')
const str = ` Here are three examples I WANT to match:
See, e.g., Smith v. U.S. (5th Cir. 2012); U.S. v. Sara (1st Cir. 2017).
See, e.g., Jefferson v. U.S. (D.C. Cir. 2012); U.S. v. Coolidge (10th Cir. 2017).
See, e.g., Lincoln v. Jones (9th Cir. 2012); U.S. v. Roosevelt (3d Cir. 2017).
Here are three examples I DO NOT WANT to match.
See, e.g., Smith v. U.S. (1st Cir. 2012); U.S. v. Sara (5th Cir. 2017).
See, e.g., Jefferson v. U.S. (10th Cir. 2012); U.S. v. Coolidge (D.C. Cir. 2017).
See, e.g., Lincoln v. Jones (3d Cir. 2012); U.S. v. Roosevelt (9th Cir. 2017).
`;
// 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