const regex = /define service\s\{.*(Service 2|Command B).*\}/s;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('define service\\s\\{.*(Service 2|Command B).*\\}', 's')
const str = `define service {
service_description Service 1
use Template 1
host_name Host 1
check_command Command A
}
define service {
service_description Service 2
use Template 1
host_name Host 1
check_command Command B
}
define service {
service_description Service 3
use Template 1
host_name Host 1
check_command Command C
}`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
if ((m = regex.exec(str)) !== null) {
// 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