class Ideone {
static void main(String[] args) {
def s="838123 someWord\n8 someWord\n12 someWord"
def rx = /(\d+)\s*someWord/
def res = s =~ rx
(0..<res.count).each { println res[it][1] }
}
}
Y2xhc3MgSWRlb25lIHsKICAgIHN0YXRpYyB2b2lkIG1haW4oU3RyaW5nW10gYXJncykgewoJCSBkZWYgcz0iODM4MTIzIHNvbWVXb3JkXG44IHNvbWVXb3JkXG4xMiBzb21lV29yZCIKCQkgZGVmIHJ4ID0gLyhcZCspXHMqc29tZVdvcmQvCgkJIGRlZiByZXMgPSBzID1+IHJ4CgkJICgwLi48cmVzLmNvdW50KS5lYWNoIHsgcHJpbnRsbiByZXNbaXRdWzFdIH0KICAgIH0KfQo=