Python 字符串 replace() 方法

实例

替换单词 "bananas"：

txt = "I like bananas"

x = txt.replace("bananas", "apples")

print(x)

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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

实例

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)

运行实例

实例

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)

运行实例