diff --git a/esc_seq.go b/esc_seq.go
new file mode 100644
index 0000000..0217d2e
--- /dev/null
+++ b/esc_seq.go
@@ -0,0 +1,14 @@
+package logic
+
+import "strings"
+
+var EscSeqReplacer = strings.NewReplacer(
+	`\\`, `\`,
+	`\n`, "\n",
+	`\t`, "\t",
+	`\f`, "\f",
+	`\r`, "\r",
+	`\v`, "\v",
+	`\b`, "\b",
+	`\a`, "\a",
+)