package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?:\G(?!\A)|{)[^{}]*?\K\([^()]*\)(?=[^{}]*})`)
var str = `{foo (i,j) bar} should match on (i,j)
{(i,j) foo (k,l) bar (m,n,o)} should match on (i,j), (k,l), and (m,n,o).
foo (i,j) bar should not match on anything because the string is not between swirly brackets.
{foo (i,j) bar} (k,l) should match on (i,j) but not (k,l) because the latter is outside of the swirly brackets.`
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/