.. _String_SubstringW: ================= String_SubstringW ================= Find a needle in a haystack, or a substring within a string. This is the Unicode version of String_Substring, String_SubstringA is the Ansi version. :: String_SubstringW PROTO lpszString:QWORD, lpszSubString:QWORD **Parameters** * ``lpszString`` - Address of string to be searched. * ``lpszSubString`` - Address of substring to search for within the main string. **Returns** Pointer to the substring found in lpszString, or start of lpszString. If lpszString is empty then returns null. **Notes** This function is based on strstr by Mael Drapier, EPITECH promo 2021 **See Also** :ref:`String_LeftW`, :ref:`String_RightW`, :ref:`String_MiddleW`