Relates to the task of finding a subset of data at the beginning of a set of data. Usually refers to strings but could be other types of data. Please accompany with a language specific tag.
Questions tagged [startswith]
412 questions
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votes
2 answers
Getting index position of string in List C#
Trying to get the index position of a string in a List but it keeps returning zero(0) as the index integer variable.
Any ideas what is wrong? I have tried changing to public int and so on.
public int GetLangPos(string cultureCode)
{
…
user5537890
-1
votes
3 answers
Python startswith() for loop and if statement
I want to run a for loop in an array list and print anything out that has the word 'monkey' in it. I wrote the following code below but it is giving me an error. I'm not too sure what i am doing wrong. Any help would be great, thank you.
a=…

Infinity
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2 answers
Is there method startswith in xojo like in Java or Vb.Net?
I try to learn xojo. Is there any method Startswith in xojo just like in Java and Vb.net? If there is, how should I implement it?
Thank you.

lion blue sky
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votes
1 answer
Get MethodInfo of String.TrimStart with reflection?
I gonna get MethodInfo of String.TrimStart()
The following code returns null.
typeof(string).GetMethod("TrimStart", new Type[ ] {});
and the following code returns {System.String TrimStart(Char[])}
typeof(string).GetMethod("TrimStart",…

Mohammad Dayyan
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votes
1 answer
Difference between equals() and startsWith() in java
Im practicing recursion for my own amusement using the codingBat exercises. Im doing this exercise:
Given a string, compute recursively the number of times lowercase "hi" appears in the string, however do not count "hi" that have an 'x' immedately…

user2737948
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votes
1 answer
C# StartsWith - Multiple results
I need your help! I have wrote a function which save the "ID" from a Textfile to a Combobox.
Thats working, now i want to read the "ID" and under the id the values in the textfile when i select the combobox.
Its like
"ID" = L1 220313 100
Values =…

Coder64
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votes
5 answers
Ends-with and Starts-with in if statements: Python 3
I am new to python and I have to create a program that validates a DNA sequence.
(background on DNA sequences really quick)
in order to be valid:
• The number of characters is divisible by 3
• The first 3 characters are ATG
• The last 3…

user3230395
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votes
4 answers
How do I get the beginning of a string in Python?
So... I tried to get what my string starts with and I tried to see if I can get what my string starts with, with the startswith function. But as I'm trying to use startswith function it just returning True or False.
This is how I tried:
str1 = "sdf…

Negai
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votes
2 answers
How does one recognize and/or replace a custom-formatted string value?
I'm retrieving a JSON-conform data-structure from a live chat API, but when a chat message shows an image the message value shows the url in its own format, embedded in between %%%[ and ]%%%.
The below object gives a preview on what was just…

vic73
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votes
2 answers
Filter values in rows contain specific string for further calculation
This is my dataframe:
In [2]: fruits = pd.DataFrame({"apple_price": [100, 100, 200, 500, 100, 600, 200],
...: "cherry_price": [2, 3, 1, 0, 2, 1, 1],
...: "banana_price": [2, 4, 5, 2, 3, 5, 3],
…

RMNB
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votes
3 answers
startswith() function not working in while loop but works in for loop? python
not working while-loop
i=0
l1=["rohan","sachin","sam","raj"]
while i

over-night-coder
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votes
3 answers
Make a StartsWith function in C getting "Segmentation fault", What's wrong?
I'm trying to make an startswith function which if i had a string consists of
"Hello I am kira"
will split into the first word
"Hello" Only
and I really tried my best to get it to this form
#include
unsigned char *startswith(unsigned char…
anon
-2
votes
1 answer
Startswith with a range of number instead an unit
ip = a list of ips
ipf = list(filter(lambda x: x if not x.startswith(str(range(257,311))) else None, ip))
Is is possible to do something like this? I tested it and it doesn't work.
I'd like to delete all ips from "ip" list that start with 256. 257.…

CatchJoul
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votes
3 answers
Extracting lines from a text in python
I am trying to extract the lines that start with this entries and create a new file. This is what I have:
def ReadFileContents():
file_content = open('Testing.pdb')
all_file_content = file_content.readlines()
list3 = []
for line in…

pedro
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votes
2 answers
Java startsWith doesn't seem to work
I need some help with this problem -
Java's startsWith() method doesn't seem to be working.
Does someone know why is this happening?
The method:
public boolean check(File f) {
boolean ans = (f.getName().startsWith(this.pre));
…

Re'em
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