const regex = /(abc|bcd|cde|def|efg|fgh|ghi|hij|ijk|jkl|klm|lmn|mno|nop|opq|pqr|qrs|rst|stu|tuv|uvw|vwx|wxy|xyz)(19\d{2}|20[01]\d)(10{1,3}|[25]0{1,2})\d/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(abc|bcd|cde|def|efg|fgh|ghi|hij|ijk|jkl|klm|lmn|mno|nop|opq|pqr|qrs|rst|stu|tuv|uvw|vwx|wxy|xyz)(19\\d{2}|20[01]\\d)(10{1,3}|[25]0{1,2})\\d', 'gm')
const str = `abc1500100
mno16001001
xyz180010000
opq2001101
opq1901101
opq2019101
opq20192001
opq20105001
opq197010000
opq2020101
abd1888101
abc1499101
abc2021101
abc2020201`;
// 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