Use of the Replace () method for manipulating strings in Python

Source: Internet
Author: User

This article mainly introduces the use of the Replace () method of manipulating strings in Python, which is the basic knowledge of Python's introduction, and needs friends to refer to the following

The Replace () method returns the current old to new, optionally substituting a copy of the maximum number of strings.


The following is the syntax for the Replace () method:


1 Str.replace (old, new[, Max])


Old-This is the older substring to be replaced.

New-This is a substring that replaces the old substring.

Max-if this optional parameter Max value is given, only the first count appears to be replaced.

return value

This method returns the copy of the string and all occurrences of the old substring replaced by the new. If the optional parameter maximum is given, only the first count is replaced.


The following example shows the use of the Replace () method.


1 2 3 4 5 #!/usr/bin/python str = "This is string EXAMPLE....WOW!!! This is really string "; Print str.replace (' is ', ' was '); Print str.replace (' is ', ' was ', 3);

When we run the above program, it produces the following results:


1 2 Thwas was string!!! Thwas is really string Thwas was string!!! Thwas is really string
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