[英]Split strings in Java using RegEx
I want to split String a = "1.48 kb";
我想拆分
String a = "1.48 kb";
in java.在 java 中。
String a = "1.48 kb";
String[] fileNameSplit = a.split(".\\s*[a-zA-Z]+");
System.out.println(fileNameSplit[0]);
Expected output is 1.4
But output I want is, 1.4 kb
预计 output 为
1.4
但我想要的 output 是1.4 kb
You can try using this:你可以尝试使用这个:
Pattern pattern = Pattern.compile("^(\\d+.?\\d?)(\\d*)(\\s*[a-zA-Z]*)$");
Matcher matcher = pattern.matcher("1.48 kb");
if (matcher.matches()) { // true
System.out.println(matcher.group(1)); // 1.4
System.out.println(matcher.group(3)); // kb
String result = MessageFormat.format("{0}{1}", matcher.group(1), matcher.group(3));
System.out.println(result); // 1.4 kb
}
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