Questions tagged [lastindexof]
125 questions
1
vote
3 answers
Printing last index of string in a string without using lastIndexOf method
Note: This question is asked for a school assignment. I fell I'm getting close to the true code, there are only a few points left to be taken care of.
I am asked to write a method that receives two strings(s1 and s2) and
checks whether s2 is in s1…
Firat
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1
vote
1 answer
LINQ get last position of special char
i have a simple LINQ Query (linq to entities via EF)
var QueueList = (from q in context.queues
select new {
Qid = q.id,
Qname =…
Dave Stockinger
- 139
- 2
- 18
1
vote
2 answers
Check if string contains string from an array then use that in LastIndexOf method
I want to check if my input string contains one of 3 strings and use it later on. Here's what I have so far:
// this is just an example of 1 out of 3 possible variations
string titleID = "document for the period ended 31 March 2014";
// the array…
escape_artist
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1
vote
2 answers
how to fix Object doesn't support property or method 'indexOf'?
i have this situation:
if (image.indexOf("/bob/") != -1 || image.indexOf("/grabs/") != -1 || image.indexOf("/") == image.lastIndexOf("/")) {
alert('success');
}
in IE8 i get Object doesn't support property or method 'indexOf'
i could probably…
Patrioticcow
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1
vote
1 answer
Qt5 Delete the suffix of a filepath
I'm trying to figure out the QString::lastIndexOf and QString::chop to delete a suffix off a file, so I can add one myself. However, I get weird output that doesn't make sense to me.
Here's my test code:
QString filename =…
David Gentry
- 23
- 6
1
vote
3 answers
Using Java's ArrayList lastIndexOf()
To make things simple, I have an ArrayList called "items" (which stores a string the user inputs) and this bit of code:
int index = items.lastIndexOf("i am");
if (index >= 0)
System.out.println("yay");
When I test it out, if I type in "i am" at the…
taote
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1
vote
0 answers
c# LastIndexOf with few words
I'm trying to get LAST index of "hello world" in text string.
string sourceText = "hello world. no yes what where hello world but not right in left hello world end of text";
string searchIndex = "hello world";
int…
Vegas Rico
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0
votes
1 answer
How to sort a parallel array to get the greatest and smallest value
I have two parallel arrays. one is type String and the other, type int. I want to sort them in ascending order while maintaining data consistency, keeping them parallel, to get the entry with the greatest int value and the entry with the int lowest…
0
votes
1 answer
How can I break up the text after the # I shared in the image?
I will create a parametric structure
I will take after each '#' with its extension.
For example here I need to get two texts after #
Metehan Simsek
- 13
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0
votes
1 answer
Split a string (file name) using index position
I need to separate the file name into an array of two strings.
The file name looks like this: IMG-20190604-WA0005.jpg
An array that I want:
[0] = "IMG-20190604-WA0005"
[1] = "jpg"
I got index position using LasIndexOf('.')
Domagoj Hamzic
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0
votes
0 answers
Why does this code work in finding the first non-duplicate letter in a string?
I'm doing some self practice with Javascript.
I'm working on a question that asks me to find the first letter in a string that does not have a duplicate.
After some playing around, I finally got it to work using indexOf and lastIndexOf. But even…
some_new_dev_dude
- 59
- 6
0
votes
2 answers
Implement a delete button for a JavaScript calculator
I'm learning JavaScript(jQuery), so I'm working on a scientific calculator. The delete button works fine when I have input such as; sin(cos(tan(. But when I have a repetition of similar input, say; sin(cos(tan(sin(, it removes the first occurrence…
Bryan Somto
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0
votes
5 answers
String index out of range on space bar character
For example the name Donald trump (12 character) brings up the error string index out of range 7 (where the space is found) even though the name Donald trump is longer.
package test;
import javax.swing.JOptionPane;
public class Usernamesubstring…
William Greenfield
- 17
- 6
0
votes
1 answer
I cant understand this lastindexof method in Java 11
int a="abcd".indexOf("d",0);
int b="abcd".indexOf("d",1);
int c="abcd".indexOf("d",2);
int d="abcd".indexOf("d",3);
int e="abcd".indexOf("d",4);
int f="abcd".indexOf("d",5);
int b1="abcd".indexOf("d",-1);
int…
alex K
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0
votes
2 answers
How would I detect the last two occurrence of characters/data sets in a text file c#
I have these text files as structured:
value1 value2 value3
Table1 Table2 Table3
(data set values here)
.
.
.(represent text in between)
.
value1 value2 value3
Table1 Table2 Table3
(data set values here)
and
value1…
thesenate42069
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