Feb 26, 2012 · Official doc for str.replace of Python 3. official doc: Python 3's str.replace str.replace(old, new[, count]) ...

Mar 23, 2014 · It method performs just as fast as the str.replace method (because both are syntactic sugar for a Python loop). However, the advantage of this method over str.replace is that it can replace values in multiple columns in one call. For a dataframe of string values, one can use: df = df.replace(regex=r'\D+', value='')

To replace one character with one thing and a different character with something else, you can't really get around needing two separate calls to replace. You can abstract it into a function as Doorknob did, though I would probably have it take an object with old/new as key/value pairs instead of a flat array.

It will replace non-everlaping instances of pattern by the text passed as string. If you need to analyze the match to extract information about specific group captures, for instance, you can pass a function to the string argument.

May 28, 2009 · It will replace all occurences of pattern in string with repl in a case-insensitive way. def replace_all(pattern, repl, string) -> str: occurences = re.findall(pattern, string, re.IGNORECASE) for occurence in occurences: string = string.replace(occurence, repl) …

We can replace strings in a batch file using the following command. set str="jump over the chair" set str=%str:chair=table% These lines work fine and change the string "jump over the chair" to "jump over the table". Now I want to replace the word "chair" in the string with some variable and I don't know how to do it.

May 31, 2012 · replace() accepts a pair of char or charsequence and replaceAll() accepts a pair of regex. It is not true that replace() works faster than replaceAll() since both uses the same code in its implementation. Pattern.compile(regex).matcher(this).replaceAll(replacement); Now the question is when to use replace and when to use replaceAll().

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Dec 30, 2010 · The following would do but only will replace one occurence: "string".replace('/', 'ForwardSlash'); For a global replacement, or if you prefer regular expressions, you just have to escape the slash:

To perform a global search and replace, either include the g flag in the regular expression or if the first parameter is a string, include g in the flags parameter. Working attempt Unfortunately, the flags parameter is non-standard, so let's switch to the regex version of …