python string类方法

发布时间：2019-08-15 09:58:13编辑：auto阅读（1855）

    !/usr/bin/env python
-*- coding: utf-8 -*-

name = "app"
t = name.capitalize()  #首字母大写
print(t)

name = "app"
t = name.center(20)  #居中显示
print(t)

name = "app"
t = name.count("p",1-3)  #查找p出现的次数
print(t)

name = "app"
t = name.endswith('p')  #是否以p结尾
print(t)

name = "ap\tp"
t = name.expandtabs()  #将TAB转换成空格
print(t)

name = "app"
t = name.find("p",1-2) #寻找 p c出现的次数
print(t)

name = "app"
t = name.isalnum()  #是否全是字母或数字
print(t)

name = "app"
t = name.isalpha()  #是否是字母
print(t)

name = "app"
t = name.isdigit()  # 是否是数字
print(t)

name = "app"
t = name.islower()  #是否是小写字母
print(t)

name = "app"
t = name.isspace()  #是否是空格
print(t)

name = "app"
t = name.istitle()  #是否是标题
print(t)

name = "app"
t = name.isupper()  #是否是大写字母
print(t)

name = "app"
t = name.title()  #转换成标题
print(t)

name = ["app","yoyo"]
t = "***".join(name)  #字符串以***拼接
print(t)

name = "app"
t = name.ljust(5)  #左对齐
print(t)

name = "YOYO"
t = name.lower()  #大写变小写
print(t)

name = "      app"
t = name.lstrip()  #移除左边空白
print(t)

name = "app yoyo good"
t = name.partition('o')  #字符串分割，以 o 分割
print(t)

name = "app"
t = name.replace('p','o') # 字符替换
print(t)

name = "app"
t = name.rfind('a')  #从右向左找
print(t)

name = "app"
t = name.rjust(20)  #右对齐
print(t)

name = "app good yoyo"
t = name.rpartition("o")  #从右开始找分割字符
print(t)

name = "app yoyo good"
t = name.rsplit('yo')  #以指定字符分割，不出现指定字符
print(t)

name = "app yoyo good"
t = name.split('yo')  #以指定字符分割，不出现指定字符
print(t)

name = "app yoyo good"
t = name.startswith('a') #是否以指定字符开头
print(t)

name = "     app yoyo good        "
t = name.strip()  #移除两端空白
print(t)

name = "app YOYO good"
t = name.swapcase()  #转换大小写
print(t)

name = "app yoyo good"
t = name.title()  #转换成标题
print(t)

name = "app yoyo good"
t = name.upper()  #转换为大写
print(t)

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