package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`\bfrom company\b.*?\K\b(?<!\$|[\d.])(?:\d++)\b`)
var str = `This is invoice from company XYZ - $1234545 product name 31h10 , $456.12 product number g456, 123f 456 information invoice unit cost $12.0 and invoice total $1343.00
This is invoice from company ABC - 1234545 product name and information invoice total cost $6777 and invoice unit cost $654`
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/