diff --git a/include/bx/string.h b/include/bx/string.h
index 196e547..7ed6fbf 100644
--- a/include/bx/string.h
+++ b/include/bx/string.h
@@ -248,11 +248,11 @@ namespace bx
 	/// Returns StringView of word or empty.
 	StringView strWord(const StringView& _str);
 
-	///
-	StringView strSubstr(const StringView& _str, int32_t _start, int32_t _len);
+	/// Returns substring in string.
+	StringView strSubstr(const StringView& _str, int32_t _start, int32_t _len = INT32_MAX);
 
 	/// Find matching block.
-	const char* strmb(const char* _str, char _open, char _close);
+	StringView strFindBlock(const StringView& _str, char _open, char _close);
 
 	// Normalize string to sane line endings.
 	void eolLF(char* _out, int32_t _size, const char* _str);
diff --git a/src/string.cpp b/src/string.cpp
index f7815e9..86847a2 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -606,26 +606,41 @@ namespace bx
 		return StringView(ptr, term);
 	}
 
-	const char* strmb(const char* _str, char _open, char _close)
+	StringView strFindBlock(const StringView& _str, char _open, char _close)
 	{
-		int count = 0;
-		for (char ch = *_str++; ch != '\0' && count >= 0; ch = *_str++)
+		const char* curr  = _str.getPtr();
+		const char* term  = _str.getTerm();
+		const char* start = NULL;
+
+		int32_t count = 0;
+		for (char ch = *curr; curr != term && count >= 0; ch = *(++curr) )
 		{
 			if (ch == _open)
 			{
-				count++;
+				if (0 == count)
+				{
+					start = curr;
+				}
+
+				++count;
 			}
 			else if (ch == _close)
 			{
-				count--;
+				--count;
+
+				if (NULL == start)
+				{
+					break;
+				}
+
 				if (0 == count)
 				{
-					return _str-1;
+					return StringView(start, curr+1);
 				}
 			}
 		}
 
-		return NULL;
+		return StringView(term, term);
 	}
 
 	void eolLF(char* _out, int32_t _size, const char* _str)
diff --git a/tests/string_test.cpp b/tests/string_test.cpp
index 15e67dc..180d5ea 100644
--- a/tests/string_test.cpp
+++ b/tests/string_test.cpp
@@ -457,3 +457,13 @@ TEST_CASE("strWord", "")
 	REQUIRE(bx::strWord(" abvgd-1389.0").isEmpty() );
 	REQUIRE(0 == bx::strCmp(bx::strWord("abvgd-1389.0"), "abvgd") );
 }
+
+TEST_CASE("strFindBlock", "")
+{
+	const bx::StringView test0("{ { {} {} abvgd; {} } }");
+	const bx::StringView test1(test0, 1);
+
+	bx::StringView result = bx::strFindBlock(test1, '{', '}');
+	printf("%.*s", result.getLength(), result.getPtr() );
+	REQUIRE(19 == result.getLength() );
+}