const regex = /\bdest_ip=(?P<dest_ip>\S+).*?\bdest_port=(?P<dest_port>\S+)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('\\bdest_ip=(?P<dest_ip>\\S+).*?\\bdest_port=(?P<dest_port>\\S+)', 'gm')
const str = `> Jan 15 15:16:11 10.0.5.9 Jan 15 15:16:11 ff:ff:00:01 nfc_id=20067 exp_ip=10.0.5.25 input_snmp=2 output_snmp=7 protocol=17 src_ip=43.152.96.179 src_host="unknown" src_port=1049 dest_ip=40.169.38.123 dest_host=unknown dest_port=137 tcp_flag=...... packets_in=131 bytes_in=22078 src_tos=0 dest_tos=0 src_asn=65535 dest_asn=65535 flow_count=1 percent_of_total=10.626 flow_smpl_id=2 t_int=30015 =24520
`;
// 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