package com.pkm;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MainClass {
public static String mainString = "PritomKumarMondal";
public static void main(String[] args) {
System.out.println("Method: getString()");
System.out.println("\t" + getString());
System.out.println("Method: getString2()");
System.out.println("\t" + getString2());
System.out.println("Method: getString3()");
System.out.println("\t" + getString3());
System.out.println("Method: getString4()");
System.out.println("\t" + getString4());
System.out.println("Method: getString5()");
System.out.println("\t" + getString5());
}
public static String getString() {
System.out.println("\t" + MainClass.mainString);
return MainClass.mainString.replaceAll("[^a-zA-Z0-9]+", "").replaceAll(
String.format("%s|%s|%s",
"(?<=[A-Z])(?=[a-z])",
"(?<=[^A-Z])(?=[A-Z])",
"(?<=[A-Za-z])(?=[^A-Za-z])"
),
"."
).toLowerCase();
}
public static String getString2() {
System.out.println("\t" + MainClass.mainString);
String string = MainClass.mainString.replaceAll(
String.format("%s",
"(?=[A-Z])(?=[A-Z])"
),
"."
).toLowerCase();
string = string.replaceAll("[^a-zA-Z0-9.]+", "");
return string.startsWith(".") ? string.substring(1) : string;
}
public static String getString3() {
System.out.println("\t" + MainClass.mainString);
return MainClass.mainString.replaceAll(
String.format("%s",
"(?<=[^A-Z])(?=[A-Z])"
),
"."
).toLowerCase().replaceAll("[^a-zA-Z0-9.]+", "");
}
public static String getString4() {
System.out.println("\t" + MainClass.mainString);
String str1 = MainClass.mainString;
str1 = str1.replaceAll("[A-Z]+", ".$0").toLowerCase().replaceAll("[^a-zA-Z0-9.]+", "");
str1 = str1.startsWith(".") ? str1.substring(1) : str1;
return str1;
}
public static String getString5() {
System.out.println("\t" + MainClass.mainString);
String str1 = MainClass.mainString;
Pattern pattern = Pattern.compile("[A-Z]+");
Matcher matcher = pattern.matcher(str1);
StringBuffer output = new StringBuffer();
while (matcher.find()) {
matcher.appendReplacement(output, "." + matcher.group().toLowerCase());
}
matcher.appendTail(output);
str1 = output.toString().replaceAll("[^a-zA-Z0-9.]+", "");
return str1.startsWith(".") ? str1.substring(1) : str1;
}
}
Method: getString()
sUIKAm009Pritom KumarMondalUUID
s.uika.m.009.p.ritom.k.umar.m.ondal.uuid
Method: getString2()
sUIKAm009Pritom KumarMondalUUID
s.u.i.k.am009.pritom.kumar.mondal.u.u.i.d
Method: getString3()
sUIKAm009Pritom KumarMondalUUID
s.uikam009.pritom.kumar.mondal.uuid
Method: getString4()
sUIKAm009Pritom KumarMondalUUID
s.uikam009.pritom.kumar.mondal.uuid
Method: getString5()
sUIKAm009Pritom KumarMondalUUID
s.uikam009.pritom.kumar.mondal.uuid
Method: getString()
Pritom KUMAR MonDAL
p.ritom.kumarm.on.dal
Method: getString2()
Pritom KUMAR MonDAL
pritom.k.u.m.a.r.mon.d.a.l
Method: getString3()
Pritom KUMAR MonDAL
pritom.kumar.mon.dal
Method: getString4()
Pritom KUMAR MonDAL
pritom.kumar.mon.dal
Method: getString5()
Pritom KUMAR MonDAL
pritom.kumar.mon.dal
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