diff --git a/components/contracts/system_dispatcher.go b/components/contracts/system_dispatcher.go
index 1f7674a..ff360c0 100644
--- a/components/contracts/system_dispatcher.go
+++ b/components/contracts/system_dispatcher.go
@@ -1204,6 +1204,12 @@ type IDispatcher interface {
 	Trim(input string) string
 	// Contains reports whether substr is within s.
 	Contains(input, substr string) bool
+	// ToUpper returns input with all Unicode letters mapped to their upper case.
+	ToUpper(input string) string
+	// MatchString reports whether the string input
+	// contains any match of the regular expression pattern.
+	// More complicated queries need to use Compile and the full Regexp interface.
+	MatchString(pattern string, input string) bool
 	// IsEmpty checks whether the provided string is empty. Trims the spaces in the string first.
 	IsEmpty(input string) bool
 	// IsNotEmpty checks whether the provided string is not empty. Trims the spaces in the string first.
diff --git a/components/core/system_dispatcher.go b/components/core/system_dispatcher.go
index 3f704e9..6fa3ff0 100644
--- a/components/core/system_dispatcher.go
+++ b/components/core/system_dispatcher.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"math/rand"
 	"net/http"
+	"regexp"
 	"sort"
 	"strings"
 	"time"
@@ -288,6 +289,19 @@ func (dispatcher *dispatcher) Contains(input, substr string) bool {
 	return strings.Contains(input, substr)
 }
 
+func (dispatcher *dispatcher) ToUpper(input string) string {
+	return strings.ToUpper(input)
+}
+
+func (dispatcher *dispatcher) MatchString(pattern string, input string) bool {
+	matched, err := regexp.MatchString(pattern, input)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	return matched
+}
+
 func (dispatcher *dispatcher) IsEmpty(input string) bool {
 	return strings.TrimSpace(input) == ""
 }