Bash builtin to quick substitute a string in the previous command and run the result. Equivalent to
!!:s^string1^string2. More information: https://gnu.org/software/bash/manual/bash.html#Event-Designators.
string1 with string2:^string1^string2
string1 from the previous command:^string1^
string1 with string2 in the previous command and add string3 to its end:^string1^string2^string3
string1:^string1^string2^:&