Merge pull request #108 from projectdiscovery/issue-105-containsanyi

ContainsAnyI func

strings/stringsutil.go

@@ -130,7 +130,7 @@ func Reverse(s string) string {
 	return string(rune)
 }
 
-// ContainsAny returns true is s contains any specified substring
+// ContainsAny returns true if s contains any specified substring.
 func ContainsAny(s string, ss ...string) bool {
 	for _, sss := range ss {
 		if strings.Contains(s, sss) {
@@ -140,6 +140,17 @@ func ContainsAny(s string, ss ...string) bool {
 	return false
 }
 
+// ContainsAnyI returns true if s contains any specified substring (case-insensitive).
+func ContainsAnyI(s string, ss ...string) bool {
+	s = strings.ToLower(s)
+	for _, sss := range ss {
+		if strings.Contains(s, strings.ToLower(sss)) {
+			return true
+		}
+	}
+	return false
+}
+
 // EqualFoldAny returns true if s is equal to any specified substring
 func EqualFoldAny(s string, ss ...string) bool {
 	for _, sss := range ss {

strings/stringsutil_test.go

@@ -199,6 +199,20 @@ func TestContainsAny(t *testing.T) {
 	}
 }
 
+func TestContainsAnyI(t *testing.T) {
+	tests := map[string]containstest{
+		"abc":    {Items: []string{"A", "b"}, Result: true},
+		"abcd":   {Items: []string{"X", "b"}, Result: true},
+		"A b C":  {Items: []string{"X"}, Result: false},
+		"aaa":    {Items: []string{"A"}, Result: true},
+		"Hello!": {Items: []string{"hELLO", "world"}, Result: true},
+	}
+	for str, test := range tests {
+		res := ContainsAnyI(str, test.Items...)
+		require.Equalf(t, test.Result, res, "test: %+v", res)
+	}
+}
+
 func TestEqualFoldAny(t *testing.T) {
 	tests := map[string]containstest{
 		"abc":   {Items: []string{"a", "Abc"}, Result: true},