实例

替换单词 "bananas"：

txt = "I like bananas"
x = txt.replace("bananas", "apples")
print(x)

完整实例：

txt = "I like bananas"
x = txt.replace("bananas", "apples")
print(x)

定义和用法

replace() 方法用另一个指定的短语替换一个指定的短语。

注释：如果未指定其他内容，则将替换所有出现的指定短语。

语法

string.replace(oldvalue, newvalue, count)

参数值

更多实例

示例代码：

替换所有出现的单词 "one"：

txt = "one one was a race horse, two two was one too."
x = txt.replace("one", "three")
print(x)

完整实例：

txt = "one one was a race horse, two two was one too."
x = txt.replace("one", "three")
print(x)

示例代码：

替换前两次出现的单词 "one"：

txt = "one one was a race horse, two two was one too."
x = txt.replace("one", "three", 2)
print(x)

完整实例：

txt = "one one was a race horse, two two was one too."
x = txt.replace("one", "three", 2)
print(x)