cookbook之字串搜尋和替換

參考

import datetime

import re
from calendar import month_abbr
text =
'yeah, but no, but yeah, but no, but yeah'
print(text.replace(
'yeah','love'
))print(text)
date
= datetime.date.today(
)print(date)
date
= str(date)
print(type(date))
print(date)
print(date.replace(
'-','/'
))print(re.sub(r'(\d+)\-(\d+)\-(\d+)', r'\3/\2/\1',date))
def change_date(m):
mon_name = month_abbr[int(m.group(2))
]return
'今天是{}年{}{}日'.format(m.group(1),mon_name,m.group(3))
print(re.sub(r'(\d+)\-(\d+)\-(\d+)',change_date,date))
print(
'&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&'
)#疑惑，需要詢問別人
str1 =
date + '++++++++++++++' + date
print(str1)
res = re.compile(r'(\d+)\-(\d+)\-(\d+)'
)result, n = res.subn(r'\3/\2/\1',date)
print(result)
print(n)
print(
'**********************'
)text =
'today is 11/27/2012. pycon starts 3/13/2013.'
datepat = re.compile(r'(\d+)/(\d+)/(\d+)'
)newtext, n = datepat.subn(r'\3-\1-\2', text)
print(newtext)
print(n)

貼吧的提問

cookbook之字串匹配和搜尋

參考 import datetime text yao,yao,qie ke nao,jian bing guo zi,yao,lai,yi,tao,print text.find tao 會返回第一次匹配到元素的下標 text2 datetime.date.today 顯示當前的年月日 text2...

字串搜尋

include include include includeusing namespace std char grid 100 100 word 100 int n m int x int y int xx yy void search if k len int main int t cin t ...

字串搜尋

include include include includeusing namespace std char grid 100 100 word 100 int n m int x int y int xx yy void search if k len int main int t cin t ...