package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\s*(?:(?:(?:-?(?:usd|\$)|(?:usd|\$)-)(?:(?:0|[1-9]\d*)?(?:\.\d+)?(?<=\d)))|(?:-?(?:(?:0|[1-9]\d*)?(?:\.\d+)?(?<=\d))(?:usd|\$)))\s*$`)
var str = ` $456
$45.6
$.5
$-45
-$45
usd-456
usd46
usd4.6
usd.46
1$
1.5$
.5$
-.5$
5usd
456usd
------------
$000
$.
00.0$
455$abc
abc$123
abcuds1
jhb$5665usdjnjnb
$usd1555
usd$768
$566usd
$5788usdbjhj `
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/