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Questions tagged [replace]

Replacing is the action of searching a string for a sub-string and replacing it with a different string.

Replacing is the action of searching a string (the haystack) for a sub-string (the needle) and replacing it with a different string.

for example, replacing all 'l' within 'Hello' with 'y', would result in 'Heyyo'.

27903 questions
127
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2 answers

Find and replace globally in Sublime Text 2 (all files and in all directories)

Is there a way to find and replace a text string automatically in all folder's files?
itsme
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126
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8 answers

Replacing few values in a pandas dataframe column with another value

I have a pandas dataframe df as illustrated below: BrandName Specialty A H B I ABC J D K AB L I want to replace 'ABC' and 'AB' in column BrandName by 'A'. Can someone help with this?
Pulkit Jha
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125
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11 answers

Linux - Replacing spaces in the file names

I have a number of files in a folder, and I want to replace every space character in all file names with underscores. How can I achieve this?
Mithun Sreedharan
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123
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8 answers

Replace string within file contents

How can I open a file, Stud.txt, and then replace any occurences of "A" with "Orange"?
Joey
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122
votes
10 answers

Replace word with contents of paste buffer?

I need to do a bunch of word replacements in a file and want to do it with a vi command, not an EX command such as :%s///g. I know that this is the typical way one replaces the word at the current cursor position: cw but is there a way to…
plong
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121
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15 answers

How do I replace the *first instance* of a string in .NET?

I want to replace the first occurrence in a given string. How can I accomplish this in .NET?
Nirmal
119
votes
21 answers

What function is to replace a substring from a string in C?

Given a (char *) string, I want to find all occurrences of a substring and replace them with an alternate string. I do not see any simple function that achieves this in .
Eun-Gyu Kim
119
votes
10 answers

Replace invalid values with None in Pandas DataFrame

Is there any method to replace values with None in Pandas in Python? You can use df.replace('pre', 'post') and can replace a value with another, but this can't be done if you want to replace with None value, which if you try, you get a strange…
Blaszard
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117
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11 answers

Java Replacing multiple different substring in a string at once (or in the most efficient way)

I need to replace many different sub-string in a string in the most efficient way. is there another way other then the brute force way of replacing each field using string.replace ?
Yossale
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116
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4 answers

Remove all multiple spaces in Javascript and replace with single space

How can I automatically replace all instances of multiple spaces, with a single space, in Javascript? I've tried chaining some s.replace but this doesn't seem optimal. I'm using jQuery as well, in case it's a builtin functionality.
Alex
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115
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13 answers

Using jQuery to replace one tag with another

Goal: Using jQuery, I'm trying to replace all the occurrences of: ... with: 
 ...
My solution: I got as far as the following, $('code').replaceWith( "
" + $('code').html() + "
" ); The problem with my…
jon
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3 answers

JavaScript replace \n with

var messagetoSend = $.trim(document.getElementById("msgText").value); messagetoSend = messagetoSend.replace("\n", "
"); alert(messagetoSend); Given input: Line 1 Line 2 Line 3 This alerts: Line 1
Line 2 Line 3 When I expect…
Tom Gullen
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113
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10 answers

How to add multiple arguments to my custom template filter in a django template?

Here's my custom filter: from django import template register = template.Library() @register.filter def replace(value, cherche, remplacement): return value.replace(cherche, remplacement) And, here are the ways I tried using it in my template…
bchhun
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10 answers

Case-insensitive search and replace with sed

I'm trying to use SED to extract text from a log file. I can do a search-and-replace without too much trouble: sed 's/foo/bar/' mylog.txt However, I want to make the search case-insensitive. From what I've googled, it looks like appending i to the…
Craig Walker
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8 answers

Replace all particular values in a data frame

Having a data frame, how do I go about replacing all particular values along all rows and columns. Say for example I want to replace all empty records with NA's (without typing the positions): df <- data.frame(list(A=c("", "xyz", "jkl"), B=c(12, "",…
zxzak
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