package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^[^:\n]+(?=:.+)`)
var str = `func factorial{num
if{num==1
ret{1}
}
ret{num*factorial{num-1}}
}
p:style="color: Red;"{factorial{fromVars{"target"}}}`
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/