Function captureTokens

middleware/middleware.go:21–34

(pattern *regexp.Regexp, input string)

type BeforeFunc func(c *echo.Context)

func captureTokens(pattern *regexp.Regexp, input string) *strings.Replacer {
	groups := pattern.FindAllStringSubmatch(input, -1)
	if groups == nil {
		return nil
	}
	values := groups[0][1:]
	replace := make([]string, 2*len(values))
	for i, v := range values {
		j := 2 * i
		replace[j] = "$" + strconv.Itoa(i+1)
		replace[j+1] = v
	}
	return strings.NewReplacer(replace...)
}

func rewriteRulesRegex(rewrite map[string]string) map[*regexp.Regexp]string {
	// Initialize