返回字符串中的 old(旧字符串) 替换成 new(新字符串)后生成的新字符串,如果指定第三个参数max,则替换不超过 max 次。

以下实例展示了replace()函数的使用方法:

实例

#!/usr/bin/python str = " this is string example....wow!!! this is really string " ; print str . replace ( " is " , " was " ) ; print str . replace ( " is " , " was " , 3 ) ;

以上实例输出结果如下:

thwas was string example....wow!!! thwas was really string thwas was string example....wow!!! thwas is really string

Python 字符串 Python 字符串

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