159 If you want to replace multiple characters you can call the String.prototype.replace() with the replacement argument being a function that gets called for each match. All you need is an …

I want to find all values in a Pandas dataframe that contain whitespace (any arbitrary amount) and replace those values with NaNs. Any ideas how this can be improved? Basically I want to turn …

Add the keyword argument regex=True to Series.replace() (not Series.str.replace) This does two things actually: It changes your replacement to regex replacement, which is much more …

Setup 1 To focus on the need to rename of replace column names with a pre-existing list, I'll create a new sample dataframe df with initial column names and unrelated new column names.

598 map can be much faster than replace If your dictionary has more than a couple of keys, using map can be much faster than replace. There are two versions of this approach, depending on …

When replacing all occurrences of aba in ababa with ca, which result do you expect? caba? abca? cca?

How could I replace a substring in a string with another substring in C++, what functions could I use?

I looked at the search results and found ones that use replace to get values from a dual table. I am looking to update the table as opposed to get values.

The function withColumn is called to add (or replace, if the name exists) a column to the data frame. The function regexp_replace will generate a new column by replacing all substrings that …

This is based on a similar question How to Replace Multiple Characters in Access SQL? I wrote this since sql server 2005 seems to have a limit on replace() function to 19 replacements …