Case insensitive sub-string search
Case insensitive sub-string search. This function is multibyte charset safe. It will consider characters boundary correctly. It also ignore case by considering the charset it used.
- NULL if s1 does not contains s2, otherwise, return the address of the sub-string in s1.
- charSetID - Specifies the encoding of s1 and s2.
s1 - Specifies the first string
s2 - Specifies the second string
- See Also:
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