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C++ String replace()
This function replaces the portion of string that begins at character position pos and spans len characters.
Syntax
Consider two strings str1 and str2. Syntax would be:
Parameters
- str : str is a string object, whose value to be copied in another string object.
- pos : pos defines the position, whose character to be replaced.
- len : Number of characters to be replaced by another string object.
- subpos : It defines the position of the first character of string object that is to be copied to another object as replacement.
- sublen : Number of characters of string object to be copied into another string object.
- n : Number of characters to be copied into an another string object.
Return value
This function does not return any value.
Example 1
First example shows how to replace given string by using position and length as parameters.
Output:
Before replacement , string is This is C language After replacement, string is This is C++ language
Example 2
Second example shows how to replace given string using position and length of the string which is to be copied in another string object.
Output:
Before replacement, String is This is C language After replacement, String is This is java language
Example 3
Third example shows how to replace the string by using string and number of characters to be copied as parameters.
Output:
Before replacement,string is This is C language After replacement,string is This is C# language
Next TopicC++ Strings