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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'.

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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spaces

Looking for quick, simple way in Java to change this string " hello there " to something that looks like this "hello there" where I replace all those multiple spaces with a single space, except I also want the one or more spaces at the…
Nessa
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How can I replace a character with a newline in Emacs?

I am trying to replace a character - say ; - with a new line using replace-string and/or replace-regexp in Emacs. I have tried the following commands: M-x replace-string RET ; RET \n This will replace ; with two characters: \n. M-x replace-regex…
Lei
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Replace specific characters within strings

I would like to remove specific characters from strings within a vector, similar to the Find and Replace feature in Excel. Here are the data I start with: group <- data.frame(c("12357e", "12575e", "197e18", "e18947") I start with just the first…
Luke
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How can I add a string to the end of each line in Vim?

I want to add * to the end of each line in Vim. I tried the code unsuccessfully :%s/\n/*\n/g
Léo Léopold Hertz 준영
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Replace multiple strings with multiple other strings

I'm trying to replace multiple words in a string with multiple other words. The string is "I have a cat, a dog, and a goat." However, this does not produce "I have a dog, a goat, and a cat", but instead it produces "I have a cat, a cat, and a cat".…
Anderson Green
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Find and replace with sed in directory and sub directories

I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site: find ./ -exec sed -i 's/apple/orange/g' {} \; But it doesn't go through sub directories. What is wrong with this command? Here are some…
hd.
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Difference between String replace() and replaceAll()

What's the difference between java.lang.String 's replace() and replaceAll() methods, other than later uses regex? For simple substitutions like, replace . with / , is there any difference?
Jijoy
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Is there an alternative to string.Replace that is case-insensitive?

I need to search a string and replace all occurrences of %FirstName% and %PolicyAmount% with a value pulled from a database. The problem is the capitalization of FirstName varies. That prevents me from using the String.Replace() method. I've seen…
Aheho
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Replace one character with another in Bash

I need to replace a space ( ) with a dot (.) in a string in bash. I think this would be pretty simple, but I'm new so I can't figure out how to modify a similar example for this use.
Brian Leishman
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MySQL search and replace some text in a field

What MySQL query will do a text search and replace in one particular field in a table? I.e. search for foo and replace with bar so a record with a field with the value hello foo becomes hello bar.
julz
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Strip Leading and Trailing Spaces From Java String

Is there a convenience method to strip any leading or trailing spaces from a Java String? Something like: String myString = " keep this "; String stripppedString = myString.strip(); System.out.println("no spaces:" + strippedString); Result: no…
Tyler DeWitt
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postgresql - replace all instances of a string within text field

In postgresql, how do I replace all instances of a string within a database column? Say I want to replace all instances of cat with dog, for example. What's the best way to do this?
mark
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Replace all elements of NumPy array that are greater than some value

I have a 2D NumPy array. How do I replace all values in it greater than a threshold T = 255 with a value x = 255? A slow for-loop based method would be: # arr = arr.copy() # Optionally, do not modify original arr. for i in range(arr.shape[0]): …
NLi10Me
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Replace part of a string with another string

How do I replace part of a string with another string using the standard C++ libraries? QString s("hello $name"); // Example using Qt. s.replace("$name", "Somename");
Tom Leese
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Replace a string in a file with nodejs

I use the md5 grunt task to generate MD5 filenames. Now I want to rename the sources in the HTML file with the new filename in the callback of the task. I wonder what's the easiest way to do this.
Andreas Köberle
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