package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)\b\d{4}\b`)
var str = ` '2025',
'2150 is the year to match',
'the year is 2030 see ref 2099662',
'Should match the year here YEAR_2140 even though it has non numric chars preceeding it',
'Should match the year at the end of a string like this - 2140',
'ref 2099662 the year is 2140. And there is another sentence',
'ref 2099662 the end of the string is the year 2140',
'There is no year here 2055667'`
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/