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。
lstrip, trim掉左边的空格
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())