case-sensitive
/ˈkeɪsˌsensɪtɪv/adjective
1- Computing (of a program or function) differentiating between capital and lower-case letters【计算机】（程序, 功能）区分字母大小写的, 大小写敏感的。
1.1
- (of input) treated differently depending on whether it is in capitals or lower-case text（输入）按字母大小写作不同处理的。