diff --git a/README.md b/README.md
index 98ecf29..8cf33a0 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,8 @@ you can config using the environment variables
 |MINOR_VERSION_TYPES|types used to bump minor version|feat|
 |PATCH_VERSION_TYPES|types used to bump patch version|build,ci,docs,fix,perf,refactor,style,test|
 |INCLUDE_UNKNOWN_TYPE_AS_PATCH|force patch bump on unknown type|true|
-|COMMIT_MESSAGE_METADATA|metadata format on commit message|breakingchange:BREAKING CHANGE,issueid:jira|
+|BRAKING_CHANGE_PREFIXES|list of prefixes that will be used to identify a breaking change|BREAKING CHANGE:,BREAKING CHANGES:|
+|ISSUEID_PREFIXES|list of prefixes that will be used to identify an issue id|jira:,JIRA:,Jira:|
 |TAG_PATTERN|tag version pattern|%d.%d.%d|
 |RELEASE_NOTES_TAGS|release notes headers for each visible type|fix:Bug Fixes,feat:Features|
 
diff --git a/cmd/git-sv/config.go b/cmd/git-sv/config.go
index 197d76d..c71b4e7 100644
--- a/cmd/git-sv/config.go
+++ b/cmd/git-sv/config.go
@@ -12,7 +12,8 @@ type Config struct {
 	MinorVersionTypes         []string          `envconfig:"MINOR_VERSION_TYPES" default:"feat"`
 	PatchVersionTypes         []string          `envconfig:"PATCH_VERSION_TYPES" default:"build,ci,docs,fix,perf,refactor,style,test"`
 	IncludeUnknownTypeAsPatch bool              `envconfig:"INCLUDE_UNKNOWN_TYPE_AS_PATCH" default:"true"`
-	CommitMessageMetadata     map[string]string `envconfig:"COMMIT_MESSAGE_METADATA" default:"breakingchange:BREAKING CHANGE,issueid:jira"`
+	BreakingChangePrefixes    []string          `envconfig:"BRAKING_CHANGE_PREFIXES" default:"BREAKING CHANGE:,BREAKING CHANGES:"`
+	IssueIDPrefixes           []string          `envconfig:"ISSUEID_PREFIXES" default:"jira:,JIRA:,Jira:"`
 	TagPattern                string            `envconfig:"TAG_PATTERN" default:"%d.%d.%d"`
 	ReleaseNotesTags          map[string]string `envconfig:"RELEASE_NOTES_TAGS" default:"fix:Bug Fixes,feat:Features"`
 }
diff --git a/cmd/git-sv/main.go b/cmd/git-sv/main.go
index 4bca52a..67c8e20 100644
--- a/cmd/git-sv/main.go
+++ b/cmd/git-sv/main.go
@@ -14,7 +14,7 @@ var Version = ""
 func main() {
 	cfg := loadConfig()
 
-	git := sv.NewGit(cfg.CommitMessageMetadata, cfg.TagPattern)
+	git := sv.NewGit(cfg.BreakingChangePrefixes, cfg.IssueIDPrefixes, cfg.TagPattern)
 	semverProcessor := sv.NewSemVerCommitsProcessor(cfg.IncludeUnknownTypeAsPatch, cfg.MajorVersionTypes, cfg.MinorVersionTypes, cfg.PatchVersionTypes)
 	releasenotesProcessor := sv.NewReleaseNoteProcessor(cfg.ReleaseNotesTags)
 
diff --git a/sv/git.go b/sv/git.go
index 67892d9..709d336 100644
--- a/sv/git.go
+++ b/sv/git.go
@@ -15,8 +15,8 @@ import (
 const (
 	logSeparator       = "##"
 	endLine            = "~~"
-	breakingChangesTag = "BREAKING CHANGE:"
-	issueIDTag         = "jira:"
+	breakingChangesKey = "breakingchange"
+	issueIDKey         = "issueid"
 )
 
 // Git commands
@@ -45,13 +45,16 @@ type GitTag struct {
 
 // GitImpl git command implementation
 type GitImpl struct {
-	messageMetadata map[string]string
+	messageMetadata map[string][]string
 	tagPattern      string
 }
 
 // NewGit constructor
-func NewGit(messageMetadata map[string]string, tagPattern string) *GitImpl {
-	return &GitImpl{messageMetadata: messageMetadata, tagPattern: tagPattern}
+func NewGit(breakinChangePrefixes, issueIDPrefixes []string, tagPattern string) *GitImpl {
+	return &GitImpl{
+		messageMetadata: map[string][]string{breakingChangesKey: breakinChangePrefixes, issueIDKey: issueIDPrefixes},
+		tagPattern:      tagPattern,
+	}
 }
 
 // Describe runs git describe, it no tag found, return empty
@@ -125,7 +128,7 @@ func parseTagsOutput(input string) ([]GitTag, error) {
 	return result, nil
 }
 
-func parseLogOutput(messageMetadata map[string]string, log string) []GitCommitLog {
+func parseLogOutput(messageMetadata map[string][]string, log string) []GitCommitLog {
 	scanner := bufio.NewScanner(strings.NewReader(log))
 	scanner.Split(splitAt([]byte(endLine)))
 	var logs []GitCommitLog
@@ -137,14 +140,17 @@ func parseLogOutput(messageMetadata map[string]string, log string) []GitCommitLo
 	return logs
 }
 
-func parseCommitLog(messageMetadata map[string]string, commit string) GitCommitLog {
+func parseCommitLog(messageMetadata map[string][]string, commit string) GitCommitLog {
 	content := strings.Split(strings.Trim(commit, "\""), logSeparator)
 	commitType, scope, subject := parseCommitLogMessage(content[1])
 
 	metadata := make(map[string]string)
-	for k, v := range messageMetadata {
-		if tagValue := extractTag(v, content[2]); tagValue != "" {
-			metadata[k] = tagValue
+	for key, prefixes := range messageMetadata {
+		for _, prefix := range prefixes {
+			if tagValue := extractTag(prefix, content[2]); tagValue != "" {
+				metadata[key] = tagValue
+				break
+			}
 		}
 	}
 
@@ -168,7 +174,7 @@ func parseCommitLogMessage(message string) (string, string, string) {
 }
 
 func extractTag(tag, text string) string {
-	regex := regexp.MustCompile(tag + ": (.*)")
+	regex := regexp.MustCompile(tag + " (.*)")
 	result := regex.FindStringSubmatch(text)
 	if len(result) < 2 {
 		return ""