here monitorUrl contains- http://host:8810/solr/admin/stats.jsp
and monitorUrl sometimes can be-- http://host:8810/solr/admin/monitor.jsp
So i want to replace stats.jsp and monitor.jsp to ping
if(monitorUrl.contains("stats.jsp") || monitorUrl.contains("monitor.jsp")) {
trimUrl = monitorUrl.replace("[stats|monitor].jsp", "ping");
}
Anything wrong with the above code. As I get the same value of monitorUrl in trimUrl.
Try using replaceAll instead of replace (and escape the dot as Alan pointed out):
trimUrl = monitorUrl.replaceAll("(stats|monitor)\\.jsp", "ping");
From the documentation:
replaceAllpublic String replaceAll(String regex, String replacement)Replaces each substring of this string that matches the given regular expression with the given replacement.
Note: You may also want to consider matching only after a / and checking that it is at the end of the line by using $ at the end of your regular expression.
/ and till the end of string. As I very much new with the regex.
"/(stats|monitor).jsp$" or "(?<=/)(stats|monitor).jsp$"I think this is what you're looking for:
trimUrl = monitorUrl.replaceAll("(?:stats|monitor)\\.jsp", "ping");
Explanation:
replaceAll() treats the first argument as a regex, while replace() treats it as a literal string.
You use parentheses, not square brackets, to group things. (?:...) is the non-capturing form of group; you should use the capturing form - (...) - only when you really need to capture something.
. is a metacharacter, so you need to escape it if you want to match a literal dot.
And finally, you don't have to check for the presence of the sentinel string separately; if it's not there, replaceAll() just returns the original string. For that matter, so does replace(); you could also have done this:
trimUrl = monitorUrl.replace("stats.jsp", "ping")
.replace("monitor.jsp", "ping");
"monitor.jsstats.jsp" will become "pinging".
monitor.jsp or stats.jsp. That's how I read it, anyway.No needs to use regex (also replace() don't use regex).
trimUrl = monitorUrl.replace("stats.jsp", "ping").replace("monitor.jsp", "ping");
"monitor.jsstats.jsp" will become "pinging".