package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\s*(add|and|nor|or|sub)\s*(\$[a-z0-9]{2,4}),\s*(\$[a-z0-9]{2,4}),\s*(\$[a-z0-9]{2,4})\s*$`)
var str = `add $t3,$s3,$s5
add $t3,$s3,$s5
add $v0,$t0,$t0
add $v0,$t0,$t0
and $t2,$t3,$t4
and $t2,$t3,$t4
nor $s0,$s5,$s2
nor $s0,$s5,$s2
or $s0,$s0,$s1
or $s0,$s0,$s1
or $s0,$s2,$s5
or $s0,$s2,$s5
sub $s3,$t0,$t1
sub $s3,$t0,$t1
sub $t0,$zero,$t1
sub $t0,$zero,$t1
sub $t1,$t4,$t8
sub $t1,$t4,$t8`
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/