To replace only the first semi-colon with a hyphen, we can use the following:
input = input.replaceFirst(";", "-");
What will be the output if we have to use the replaceFirst method instead of replaceAll in the input text of "$%apple% $%banana% $%orange%" for escaping the dollar signs?
The code will become as follows:
input = input.replaceFirst("\\$", "\\\\\\$");
It will replace only the first $ sign; hence, the output will only have the first $ escaped as follows:
\$%apple% $%banana% $%orange%
To replace the first dot of an IPV4 IP address with a colon, we can use the following code:
String newip = ipaddress.replaceFirst("\\.", ":");
Only the first dot will be replaced by a colon; hence, an IP ...
