// we simply ignore the values and return empty. This is in line
		// with the approach we took for returning first ip from multiple
		// params.
		if match := forRegex.FindStringSubmatch(proto); len(match) > 1 {
			if match = protoRegex.FindStringSubmatch(match[2]); len(match) > 1 {
				scheme = strings.ToLower(match[2])
			}
		}
	}

	return scheme
}

			reset()
			record = false
			if searchRE == nil || searchRE.MatchString(stackTrace) {
				ret[t] = append(ret[t], stackTrace)
			}
		case record:
			save(line)
		default:
			z := goroutinesRE.FindStringSubmatch(line)
			if len(z) == 3 {
				if z[2] != "" {
					a, _ := strconv.Atoi(z[2])
					t = time.Duration(a) * time.Minute
					save(line)
					record = true
				} else {
					skip = true
				}
			}

	// nolint: gosimple
	re := regexp.MustCompile("/apis/networking(\\.istio\\.io)?/v1(?:alpha3)?/namespaces/(?P<namespace>[^/]+)/virtual-service/(?P<name>[^/]+)")
	ss := re.FindStringSubmatch(path)
	if ss == nil {
		return "", "", fmt.Errorf("not a VS path: %s", path)
	}
	return ss[3], ss[2], nil
}

)

var ldapPwdRegex = regexp.MustCompile("(^.*?)LDAPPassword=([^&]*?)(&(.*?))?$")

// redact LDAP password if part of string
func redactLDAPPwd(s string) string {
	parts := ldapPwdRegex.FindStringSubmatch(s)
	if len(parts) > 3 {
		return parts[1] + "LDAPPassword=*REDACTED*" + parts[3]
	}
	return s
}

// getOpName sanitizes the operation name for mc
func getOpName(name string) (op string) {

	}

	errors := map[string]string{}
	for _, line := range strings.Split(errBuf.String(), "\n") {
		if line == "" || strings.HasPrefix(line, "\t") {
			continue
		}
		m := fileLineRE.FindStringSubmatch(line)
		if m == nil {
			t.Errorf("unexpected error: %v", line)
			continue
		}
		fileline := m[1]
		if errors[fileline] != "" && errors[fileline] != line {

		// non-punctuation end of string, i.e., the container ID
		`(?P<containerid>[[:^punct:]]+)$`),
}

func reSubMatchMap(r *regexp.Regexp, str string) map[string]string {
	match := r.FindStringSubmatch(str)
	if match == nil {
		return nil
	}
	subMatchMap := make(map[string]string)
	for i, name := range r.SubexpNames() {
		if i != 0 {
			subMatchMap[name] = match[i]
		}
	}

	}
	return path, nil
}

var regexVersion = regexp.MustCompile(`^/minio.*/(v\d+)/.*`)

func extractAPIVersion(r *http.Request) string {
	if matches := regexVersion.FindStringSubmatch(r.URL.Path); len(matches) > 1 {
		return matches[1]
	}
	return "unknown"
}

func methodNotAllowedHandler(api string) func(w http.ResponseWriter, r *http.Request) {
	return errorResponseHandler
}

	nameMatcher := regexp.MustCompile(`^(?:\W?(\w+?)\W?\.)?(?:(\*)|\W?(\w+?)\W?)$`)
	return func(tableColumn string) (table, column string) {
		if matches := nameMatcher.FindStringSubmatch(tableColumn); len(matches) == 4 {
			table = matches[1]
			star := matches[2]
			columnName := matches[3]
			if star != "" {
				return table, star
			}
			return table, columnName
		}

	tx = db.getInstance()
	if strings.Contains(name, " ") || strings.Contains(name, "`") || len(args) > 0 {
		tx.Statement.TableExpr = &clause.Expr{SQL: name, Vars: args}
		if results := tableRegexp.FindStringSubmatch(name); len(results) == 3 {
			if results[1] != "" {
				tx.Statement.Table = results[1]
			} else {
				tx.Statement.Table = results[2]
			}
		}
	} else if tables := strings.Split(name, "."); len(tables) == 2 {

func parseSizeFromContentRange(h http.Header) (sz int64, err error) {
	cr := h.Get(xhttp.ContentRange)
	if cr == "" {
		return sz, fmt.Errorf("Content-Range not set")
	}
	parts := contentRangeRegexp.FindStringSubmatch(cr)
	if len(parts) != 4 {
		return sz, fmt.Errorf("invalid Content-Range header %s", cr)
	}
	if parts[3] == "*" {
		return -1, nil
	}
	var usz uint64
	usz, err = strconv.ParseUint(parts[3], 10, 64)