diff --git a/v2/pkg/protocols/common/expressions/variables.go b/v2/pkg/protocols/common/expressions/variables.go
index 01a1e2b00..5bacaf60d 100644
--- a/v2/pkg/protocols/common/expressions/variables.go
+++ b/v2/pkg/protocols/common/expressions/variables.go
@@ -6,7 +6,7 @@ import (
 	"strings"
 )
 
-var unresolvedVariablesRegex = regexp.MustCompile(`\{\{(.+)\}\}`)
+var unresolvedVariablesRegex = regexp.MustCompile(`\{\{([^}]+)\}\}["'\)\}]*`)
 
 // ContainsUnresolvedVariables returns an error with variable names if the passed
 // input contains unresolved {{<pattern-here>}} variables.