I want to clean String from unnecessary data, something like:
x, y, z, g, h
More precisely, I want delete g and h, becuase before the g and h character, i have 2 "space".
What is the fastest way to accomplish this?
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3 Answers
Use String#replaceAll:
String input = "x, y, z, g, h";
input = input.replaceAll("\\s{2,}\\w+,?", "");
1 Comment
Tim Biegeleisen
@YCF_L That didn't fix the problem, assuming that the OP is concerned even about the last comma.
Another variant would be:
String data = "x, y, z, g, h";
data = Pattern.compile(",")
.splitAsStream(data)
.filter(s -> s.length() - s.trim().length() <= 1)
.collect(Collectors.joining(","));
if for some reason you still want the last comma included then you can do:
data = Pattern.compile(",")
.splitAsStream(data)
.filter(s -> s.length() - s.trim().length() <= 1)
.collect(Collectors.joining(",", "", ","));
Comments
String str ="x,y,z, g, h;
String newString = str.replaceAll("[^a-zA-Z]","");
o/p:
newString = x,y,x,g,h
Note: if you want to delete g & h character use java split method.
1 Comment
AxelH
You didn't get the problem : " I want delete g and h, becuase before the g and h character, i have 2 "space"." Not simply remove none letters character in a
String. Your "note" is more likely to be correct but how would you do it with a split ?