const regex = /(?:(?:A=)([^,]*))/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(?:(?:A=)([^,]*))', 'gm')
const str = `"A=1,B=2,C=3",
"A=11,B=12,C=13,D=15",
"A=5,B=4,C=9,D=10,E=13",
"A=19,B=20,C=91,D=40,E=33",
"A=77,B=27,C=37"`;
// 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