package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<metric>.*)(?<fields>:{.*})? (?<value>.*)`)
var str = `jvm_buffer_memory_used_bytes{id="direct",} 81920.0
jvm_buffer_memory_used_bytes{id="mapped",} 0.0
jvm_threads_live 23.0
tomcat_global_received_bytes_total{name=" http - nio -8080",} 0.0
tomcat_global_received_bytes_total{name="http-nio-8080",} 0.0
jvm_gc_pause_seconds_count{action="end of minor GC",cause="Allocation Failure",} 7.0
jvm_gc_pause_seconds_sum{action="end of minor GC",cause="Allocation Failure",} 0.232
jvm_gc_pause_seconds_count{action="end of minor GC",cause="Metadata GC Threshold",} 1.0
jvm_gc_pause_seconds_sum{action="end of minor GC",cause="Metadata GC Threshold",} 0.01
jvm_gc_pause_seconds_count{action="end of major GC",cause="Metadata GC Threshold",} 1.0
jvm_gc_pause_seconds_sum{action="end of major GC",cause="Metadata GC Threshold",} 0.302
jvm_gc_pause_seconds_max{action="end of minor GC",cause="Allocation Failure",} 0.0
jvm_gc_pause_seconds_max{action="end of minor GC",cause="Metadata GC Threshold",} 0.0
jvm_gc_pause_seconds_max{action="end of major GC",cause="Metadata GC Threshold",} 0.0
jvm_gc_live_data_size_bytes 5.0657472E7`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
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 Golang, please visit: https://golang.org/pkg/regexp/