const regex = /^\h*\[detailOutput] => .*(?:\R(?!\h*\[authorizationCode]).*)*\R\h*(\[authorizationCode] => \d+)(?:\R(?!\h*\[amount]).*)*\R\h*(\[amount] => \d+)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^\\h*\\[detailOutput] => .*(?:\\R(?!\\h*\\[authorizationCode]).*)*\\R\\h*(\\[authorizationCode] => \\d+)(?:\\R(?!\\h*\\[amount]).*)*\\R\\h*(\\[amount] => \\d+)', 'gm')
const str = `[transactionDetails] => wsTransactionDetail Object
(
[sharesAmount] =>
[sharesNumber] =>
[amount] => 33450
[commerceCode] => 1234567890
[buyOrder] => 123321
)
[detailOutput] => wsTransactionDetailOutput Object
(
[authorizationCode] => 001122
[paymentTypeCode] => VD
[responseCode] => 0
[sharesNumber] => 0
[amount] => 33450
[commerceCode] => 1234567890
[buyOrder] => 123321
)`;
// 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