python---replace函数

描述

Python replace() 方法把字符串中的 old(旧字符串) 替换成 new(新字符串),如果指定第三个参数max,则替换不超过 max 次。

语法

replace()方法语法:

str.replace(old, new[, max])

实例1

#!/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

实例2

strip是trim掉字符串两边的空格。

rstrip, trim掉右边的空格


wdata = str(wrlist[i].replace('[', '')).replace(']', '') # 去掉字符的中括号 wdata = wdata.replace(''''','').replace(''''', '') # 去掉字符的引号
theString = ' https://mp.csdn.net/postlist ' 
print (theString.strip())