Trimming refers to the manipulation of a text string to remove leading and/or trailing whitespace (and/or ASCII control characters), or (optionally) a specified character.
Questions tagged [trim]
2454 questions
65
votes
13 answers
In Haskell, how do you trim whitespace from the beginning and end of a string?
How do you trim whitespace from the start and end of a string?
trim " abc "
=>
"abc"
Edit:
Ok, let me be a little clearer. I did not understand that string literals were treated so differently from Strings.
I would like to do this:
import…
Eric Normand
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59
votes
7 answers
What is a good alternative of LTRIM and RTRIM in Java?
What is a good alternative of JavaScript ltrim() and rtrim() functions in Java?
yegor256
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53
votes
2 answers
How to Trim "[" char from a string in Golang
Probably a silly thing but got stuck on it for a bit...
Can't trim a "[" char from a string, things I tried with outputs:
package main
import (
"fmt"
"strings"
)
func main() {
s := "this[things]I would like to remove"
t :=…
Blue Bot
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51
votes
12 answers
How to select first 10 words of a sentence?
How do I, from an output, only select the first 10 words?
AAA
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51
votes
10 answers
How to remove only trailing spaces of a string in Java and keep leading spaces?
The trim() function removes both the trailing and leading space, however, if I only want to remove the trailing space of a string, how can I do it?
kzjfr0
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49
votes
5 answers
Trim trailing spaces with PostgreSQL
I have a column eventDate which contains trailing spaces. I am trying to remove them with the PostgreSQL function TRIM(). More specifically, I am running:
SELECT TRIM(both ' ' from eventDate)
FROM EventDates;
However, the trailing spaces don't go…
zgall1
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48
votes
3 answers
How do you trim the audio file's end using SoX?
Using Sox, how do I shorten an audio file by 5 seconds, trimming from the end?
For example, this is how to trim a file from the beginning:
sox input output trim 5000
This is how to add 5 seconds of silence to the end:
sox input output pad 0…
get8p
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47
votes
10 answers
How to trim specific characters from the end of the JavaScript string?
In JavaScript, how do I trim from the right(string end)?
I have the following example:
var s1 = "this is a test~";
var s = s1.rtrim('~');
Nate Pet
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47
votes
10 answers
Trim string column in PySpark dataframe
After creating a Spark DataFrame from a CSV file, I would like to trim a column. I've tried:
df = df.withColumn("Product", df.Product.strip())
df is my data frame, Product is a column in my table.
But I get the error:
Column object is not…
minh-hieu.pham
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45
votes
10 answers
Remove '\' char from string c#
I have the following code
string line = "";
while ((line = stringReader.ReadLine()) != null)
{
// split the lines
for (int c = 0; c < line.Length; c++)
{
if ( line[c] == ',' && line[c - 1] == '"' && line[c + 1] == '"')
…
maffo
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45
votes
3 answers
Php how to remove any last commas
Example output
1. test,test,test,test,test,
2. test,test,test,,
3. test,test,,,
4. test,,,,,
I tried use implode according to my previous question but It's trim only last comma.
How to remove any last commas?
wow
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44
votes
8 answers
Cocoa - Trim all leading whitespace from NSString
(have searched, but not been able to find a simple solution to this one either here, or in Cocoa docs)
Q. How can I trim all leading whitespace only from an NSString? (i.e. leaving any other whitespace intact.)
Unfortunately, for my purposes,…
SirRatty
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44
votes
5 answers
What's the meaning of 'trim' when use in mongoose?
The link is http://mongoosejs.com/docs/api.html#schema_string_SchemaString-trim
I'm beginner in mongoosejs. I just don't get it...
I saw this question How to update mongoose default string schema property trim? but don't understand why trim. Im…
Undefined Behavior
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44
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19 answers
How to trim() white spaces from a string?
JavaScript doesn't seem to have a native trim() method. How can I trim white spaces at the start and end of a string with JavaScript?
MDCore
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43
votes
17 answers
How to remove trailing and leading whitespace for user-provided input in a batch file?
I know how to do this when the variable is pre-defined. However, when asking for the user to enter in some kind of input, how do I trim leading and trailing whitespace? This is what I have so far:
@echo off
set /p input=:
echo. The input is %input%…
OopOop
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