From 227e2aae518213ccc6ad3553552a30ceb9529729 Mon Sep 17 00:00:00 2001
From: potassium <arsenijser19@gmail.com>
Date: Wed, 24 Dec 2025 02:28:26 +0300
Subject: [PATCH] i forgot something

---
 util.go      | 24 ++++++++++++++++++++++++
 util_test.go | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 util.go
 create mode 100644 util_test.go

diff --git a/util.go b/util.go
new file mode 100644
index 0000000..13fb7fb
--- /dev/null
+++ b/util.go
@@ -0,0 +1,24 @@
+package parser
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+func containsWord(s, substr string) (match bool) {
+	var err error
+	for _, field := range strings.Fields(s) {
+		match, err = regexp.MatchString(
+			fmt.Sprintf("^%s$", substr),
+			field,
+		)
+		if err != nil {
+			println(err)
+		}
+		if match {
+			return
+		}
+	}
+	return
+}
diff --git a/util_test.go b/util_test.go
new file mode 100644
index 0000000..dedb202
--- /dev/null
+++ b/util_test.go
@@ -0,0 +1,42 @@
+package parser
+
+import "testing"
+
+func TestContainsWord(t *testing.T) {
+	tests := []struct {
+		input []string
+		want  bool
+	}{
+		{
+			[]string{
+				"card-header card",
+				"card",
+			},
+			true,
+		},
+		{
+			[]string{
+				"card-body card-header",
+				"card-header",
+			},
+			true,
+		},
+		{
+			[]string{
+				"card-body card-header",
+				"card",
+			},
+			false,
+		},
+	}
+
+	for _, test := range tests {
+		got := containsWord(
+			test.input[0],
+			test.input[1],
+		)
+		if got != test.want {
+			t.Errorf("got: %t, want %t", got, test.want)
+		}
+	}
+}