Code:
public static void say(String nanika) {
int foo = 1;
String myString = regexChecker("(\\d+)(?= times)", nanika);
String toSay = regexChecker("(?<=say)(.*)(?=\\d)", nanika);
if (myString != "") {
foo = Integer.parseInt(myString);
} else {
toSay = regexChecker("(?<=say)(.*)", nanika);
}
for (int i = 0; i < foo; i++) {
System.out.println(toSay);
}
}
public static String regexChecker(String theRegex, String str2Check) {
// You define your regular expression (REGEX) using Pattern
Pattern checkRegex = Pattern.compile(theRegex);
// Creates a Matcher object that searches the String for
// anything that matches the REGEX
Matcher regexMatcher = checkRegex.matcher(str2Check);
// Cycle through the positive matches and print them to screen
// Make sure string isn't empty and trim off any whitespace
while (regexMatcher.find()) {
if (regexMatcher.group().length() != 0) {
return regexMatcher.group().trim();
// // You can get the starting and ending indexs
// System.out.println("Start Index: " + regexMatcher.start());
// System.out.println("Start Index: " + regexMatcher.end());
}
}
return "";
}input :
say("say hello 4 times");
say("say moti rulz");
say("say shouryuken 5 times");
output :
hello
hello
hello
hello
moti rulz
shouryuken
shouryuken
shouryuken
shouryuken
shouryuken
