package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^[0-9]* *([a-zA-Z]+[0-9]*)+( *\+ *[0-9]*([a-zA-Z]{1,2}[0-9]*))* *-> *[0-9]* *([a-zA-Z]+[0-9]*)+( *\+ *[0-9]*([a-zA-Z]{1,2}[0-9]*))* *; *[a-z][0-9]+( *\* *[0-9]*([a-zA-Z]{1,2}[0-9]*))*$`)
var str = `2H2 + O2 -> 2H2O; k1*H2*H2*O2
C + O2 -> CO2; k2*C*O2`
var substitution = ""
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/