New in Visual Studio 2017 version 15.8, you can find and replace some instances of a pattern by using multi-caret selection. Tip If you're renaming code symbols such as variables and methods, it's better to refactor them than to use find-and-replace. There is a third-party PHP symbol analyzer that works with VS Code. In the end, text editors are all about personal preferences and job requirements. Didn't use or study it yet. It might eventually become a replacement for WebStorm. Often I will have to open several instances of an editor at the same time and I like.
In C#, Replace method is a string method. This method is used to replace all the specified Unicode characters or specified string from the current string object and returns a new modified string. This method can be overloaded by passing arguments to it. Syntax: public string Replace(char Oldchar, char Newchar) or public string Replace(string Oldvalue, string Newvalue) Explanation: The First Method takes two parameters Oldchar and Newchar, where Oldchar is the Unicode character to be replaced and Newchar is the character to replace all occurrences of OldChar. The second method also takes two parameters Oldvalue and Newvalue where Oldvalue is the string to be replaced and Newvalue is a string to replace all occurrences of Oldvalue.
The retrun type value of both the methods is System.String. Exceptions:. ArgumentNullException: If OldValue or Oldchar both are null. ArgumentException If OldValue or Oldchar is the empty string (“”).
Below are the programs to demonstrate the above methods:. Example 1: Program to demonstrate the public string Replace(char Oldchar, char Newchar) method. All occurrences of a specified character are replaced with another specified character. If oldChar is not found in the current string object then string remains unchanged. Input: str = 'GeeksForGeeks' str.Replace('s', 'G'); Output: GeekGForGeekG Input: str = 'GeeksForGeeks' str.Replace('e', ' '); Output: G ksForG ks.
Output: OldString: Geeks For Geeks NewString: GeekG For GeekG OldString: Geeks For Geeks NewString: G ks For G ks. Example 2: Program to demonstrate the public string Replace(string Oldvalue, string Newvalue) method. All occurrences of a specified string in the current string instance are replaced with another specified string. If Oldvalue is not found in the current string then string remains unchanged.
Input: str = 'Geeks For Geeks' str.Replace('Geeks', '-'); Output: - For - Input: str = 'Geeks For Geeks' str.Replace('For', 'GFG'); Output: Geeks GFG Geeks. Output: OldString: Geeks For Geeks NewString: - For - OldString: Geeks For Geeks NewString: Geeks GFG Geeks To perform multiple replacements operations on the string(Replacement’s Chain): The above Replace method returns the modified string, so now we can chain together successive calls to the Replace method to perform multiple replacements on the string. Method calls are executed from left to right. In below example, for the given string “XXXXX” first X will be replaced with Y and then Y will be replaced with Z and finally, Z will be replaced with A.