Function RegexpInFile

pkg/exprhelpers/helpers.go:472–522

func RegexpInFile(data string, filename string) bool {

(params ...any)

// func RegexpInFile(data string, filename string) bool {
func RegexpInFile(params ...any) (any, error) {
	data := params[0].(string)
	filename := params[1].(string)

	var hash uint64

	hasCache := false
	matched := false

	if _, ok := dataFileRegexCache[filename]; ok {
		hasCache = true
		hash = xxhash.Sum64String(data)

		if val, err := dataFileRegexCache[filename].Get(hash); err == nil {
			return val.(bool), nil
		}
	}

	switch fflag.Re2RegexpInfileSupport.IsEnabled() {
	case true:
		if _, ok := dataFileRe2[filename]; ok {
			for _, re := range dataFileRe2[filename] {
				if re.MatchString(data) {
					matched = true
					break
				}
			}
		} else {
			log.Errorf("file '%s' (type:regexp) not found in expr library", filename)
			log.Errorf("expr library : %s", spew.Sdump(dataFileRe2))
		}
	case false:
		if _, ok := dataFileRegex[filename]; ok {
			for _, re := range dataFileRegex[filename] {
				if re.MatchString(data) {
					matched = true
					break
				}
			}
		} else {
			log.Errorf("file '%s' (type:regexp) not found in expr library", filename)
			log.Errorf("expr library : %s", spew.Sdump(dataFileRegex))
		}
	}

	if hasCache {
		dataFileRegexCache[filename].Set(hash, matched)
	}

	return matched, nil
}

// func IpInRange(ip string, ipRange string) bool {
func IpInRange(params ...any) (any, error) {