const regex = /^(\w\w\w \d\d? \d\d:\d\d:\d\d) (\S+) %AAA-I-(CONNECT|DISCONNECT): (New )?http connection for user (\S+), source (\S+) destination (\S+),? (.*)$/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^(\\w\\w\\w \\d\\d? \\d\\d:\\d\\d:\\d\\d) (\\S+) %AAA-I-(CONNECT|DISCONNECT): (New )?http connection for user (\\S+), source (\\S+) destination (\\S+),? (.*)$', 'gm')
const str = `Feb
Feb 17 10:08:43 2.2.2.2 %AAA-I-DISCONNECT: http connection for user admin, source 1.1.1.1 destination 2.2.2.2 TERMINATED
Feb 17 10:08:47 2.2.2.2 %AAA-I-CONNECT: New http connection for user admin, source 1.1.1.1 destination 2.2.2.2, local user table ACCEPTED.
Dec 1 00:08:43 2.2.2.2 %AAA-I-DISCONNECT: http connection for user admin, source 1.1.1.1 destination 2.2.2.2 TERMINATED
Jan 2 01:08:47 2.2.2.2 %AAA-I-CONNECT: New http connection for user admin, source 1.1.1.1 destination 2.2.2.2, local user table ACCEPTED.
`;
// 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