I have a String userId:344556\\ncustomerId:233 .
I want to replace the substring \\n with new line. So i tried
String more = strmoreInfo.replace("\\n", "\n");
My desired output is:
userId:344556
customerId:233
But my current output is:
userId:344556\
customerId:233
What am I doing wrong?
'\' is an escape character. You'll want to change the statement to:
String more = strmoreInfo.replace("\\\\n", "\n");
I will try your code but i could not found any problem its works......
public class HelloWorld
{
public static void main(String[] args)
{
String strmoreInfo="userId:344556\\ncustomerId:233";
String more = strmoreInfo.replace("\\n", "\n");
System.out.println(more);
}
}
Simply put a space e.g "< SPACE >\n" in second argument of replace method.
String more = strmoreInfo.replace("\\n", " \n");
I'm trying to split a string. For example "Castle"
String text = "Castle";
String[] word = text.split("c");
Log.d(Constants.RESULT, "1:" + word[word.length-1]);
I expect the result to be (1:astle). Instead i get (1:Castle)
I hope you guys cal help me out. Thanks!
Use String[] word = text.split("C");
Simple thing is that the Alphabet 'c' is not same as 'C',You are using 'c',better use 'C',
Try this
String text = "Castle";
String[] word = text.split("C");
Log.d(Constants.RESULT, "1:" + word[word.length-1]);
use this:
String text = "Castle";
String[] word = text.split("C");
Log.d(Constants.RESULT, "1:" + word[1]);
you got "astle" from this
Use
String text = "Castle";
String sub =text.substring(1,text.length);
Log.d( "Answer", "1:" + sub);
What I have : text1,text2,text3
What I want : text1 text2 text3
replace comma with space?
final String s = "text1,text2,text3".replace(",", " ");
I tried with both replace and replaceAll. But didn't work
This is because both replace() and replaceAll() don't change the String object, they return you a new one. Strings are immutable in Java.
Try This Way:
String data = "text1,text2,text3";
String temp = data.replace(","," ");
Now You have all
This what you should do
String str = "text1,text2,text3"
str = str.replace(","," ");
I have a String separated by commas as follows
1,2,4,6,8,11,14,15,16,17,18
This string is generated upon user input. Suppose the user wants to remove any of the numbers, I have to rebuild the string without the specified number.
If the current string is:
1,2,4,6,8,11,14,15,16,17,18
User intents to remove 1, the final string has to be:
2,4,6,8,11,14,15,16,17,18
I tried to achieve this using the following code:
//String num will be the number to be removed
old = tv.getText().toString(); //old string
newString = old.replace(num+",",""); //will be the new string
This might be working sometimes but it is sure that it won't work for the above example I have shown, if I try to remove the 1, it also removes the last part of 11, because there also exists 1.
well you can use this. Its the most simplest approach i can think of:
//String num will be the number to be removed
old=","+tv.getText().toString()+",";//old string commas added to remove trailing entries
newString=old.replace(","+num+",",",");// will be the new string
newString=newString.substring(1,newString.length()-1); // removing the extra commas added
This would work for what you want to do. I have added a comma at the start and end of your string so that you can also remove the first and last entries too.
You can split the string first and check for the number where you append those value that is not equivalent to the number that will get deleted;
sample:
String formated = "1,2,4,6,8,11,14,15,16,17,18";
String []s = formated.split(",");
StringBuilder newS = new StringBuilder();
for(String s2 : s)
{
if(!s2.equals("1"))
newS.append(s2 + ",");
}
if(newS.length() >= 1)
newS.deleteCharAt(newS.length() - 1);
System.out.println(newS);
result:
2,4,6,8,11,14,15,16,17,18
static public String removeItemFromCommaDelimitedString(String str, String item)
{
StringBuilder builder = new StringBuilder();
int count = 0;
String [] splits = str.split(",");
for (String s : splits)
{
if (item.equals(s) == false)
{
if (count != 0)
{
builder.append(',');
}
builder.append(s);
count++;
}
}
return builder.toString();
}
String old = "1,2,4,6,8,11,14,15,16,17,18";
int num = 11;
String toRemove = "," + num + "," ;
String oldString = "," + old + ",";
int index = oldString.indexOf(toRemove);
System.out.println(index);
String newString = null;
if(index > old.length() - toRemove.length() + 1){
newString = old.substring(0, index - 1);
}else{
newString = old.substring(0, index) + old.substring(index + toRemove.length() -1 , old.length());
}
System.out.println(newString);
Example: I have a EditText and I want to check the first word is the city name and second word is the pincode. These both words are separated by comma(,).
Hey try this if you don't want to use split. YOu need to get string into a variable from edittext and then use the following code for doing yourself able to validate :)
String str = "tim,52250";
StringTokenizer st = new StringTokenizer(str, ",");
while (st.hasMoreTokens()) {
System.out.println(st.nextToken());
}
Do this way..
String content="Mehsana,384001";
String[] contentArray=content.split(",");
And you will get
contentArray[0]=Mehsana
contentArray[1]=384001
then you can validate each string content..
Use split() to get the things done.
Ex:
String s= "abc,123"
String s1[]=s.split(",");
String city=s1[0];
String pincode=s1[1];
Try this
String strInput = editText.getText().toString();
String strSplit [] = strInput.split(",");
System.out.println("CityName : " + strSplit[0]);
System.out.println("PinCode : " + strSplit[1]);
String data = "ali,524513"
String []array = data.split(",")
you can validate array[0] and array[1] :)
System.out.println("Name: "+array[0]+" code: "+array[1]);