- Arguments:
"",null - Arguments:
"",""
Output: ""
- Arguments:
" "," " - Arguments:
" "," " - Arguments:
" \t"," \t" - Arguments:
" abcdef"," abcdef "
Output: " "
- Arguments:
"\t","\t"
Output: "\t"
- Arguments:
"a","a" - Arguments:
"a","aa" - Arguments:
"aa","a" - Arguments:
"aaa","aa" - Arguments:
"aa","aaa" - Arguments:
"abcd","ab"
Output: "a"
- Arguments:
"abc","abc"
Output: "abc"
- Arguments:
"abcdef","abcdeg"
Output: "abcde"
- Arguments:
"abcdefgh","abefgh"
Output: "ab"
- Arguments:
"𝐻𝑒𝓁𝓁𝑜","𝐻𝑒𝓁𝓁"
Output: "𝐻𝑒𝓁𝓁"
- Arguments:
"💻💬📱","💻💬💾"
Output: "💻💬"