The regular of Python automation

Import re

Phonenumregex=re.compile (R ' \d\d\d-\d\d\d-\d\d\d\d ')

Mo=phonenumregex.search (' My number is 415-555-4242. ')

Print (' Phone number found: ' +mo.group ())

###### #利用括号分组 ##############

Phonenumregex=re.compile (R ' (\d\d\d)-(\d\d\d-\d\d\d\d))

Mo=phonenumregex.search (' My number is 415-555-4242. ')

Mo.group (1)

Mo.group (2)

Mo.group (0)

Mo.group ()

Mo.groups ()

Areacode,mainnumber=mo.groups ()

AreaCode

Mainnumber

############### #用管道匹配多个分组 #######################

Heroregex=re.compile (R ' batman| Tina Fey ')

Mo1=heroregex.search (' Batman and Tina Fey ')

Mo1.group ()

Mo2=heroregex.search (' Tina Fey and Batman ')

Mo2.group ()

Batregex=re.compile (R ' Bat (Man|mobile|copter|bat) ')

Mo=batregex.search (' Batmobile lost a wheel ')

Mo.group ()

Mo.group (1)

############### #用问号实现可选匹配 #######################

Batregex=re.compile (R ' Bat (wo)? man ')

Mo1=batregex.search (' The Adventures of Batman ')

Mo1.group ()

Mo2=batregex.search (' The Adventures of Batwoman ')

Mo2.group ()

Phoneregex=re.compile (R ' (\d\d\d-)? \d\d\d-\d\d\d ')

Mo1=phoneregex.search (' My number is 415-555-4242 ')

Mo1.group ()

Mo2=phoneregex.search (' My number is 555-4242 ')

Mo2.group ()

############### #用星号匹配零次或多次 ###################

Batregex=re.compile (R ' Bat (wo) *man ')

Mo1=batregex.search (' The Adventures of Batman ')

Mo1.group ()

Mo2=batregex.search (' The Adventures of Batwoman ')

Mo2.group ()

Mo3=batregex.search (' The Adventures of Batwowowoman ')

Mo3.group ()

############### #用加号匹配一次或多次 ###################

Batregex=re.compile (R ' Bat (wo) +man ')

Mo1=batregex.search (' The Adventures of Batman ')

Mo1.group ()

Mo2=batregex.search (' The Adventures of Batwoman ')

Mo2.group ()

Mo3=batregex.search (' The Adventures of Batwowowoman ')

Mo3.group ()

############### #用花括号匹配特定次数 ######################

Haregex=re.compile (R ' (Ha) {3} ')

Mo1=haregex.search (' hahaha ')

Mo1.group ()

Mo2=haregex.search (' Ha ')

Mo2==none

################ #贪心和非贪心匹配 ####################################

######### #正则表达式: Greedy, in the case of two righteousness, match as long as possible string # # #

Greedyharegex=re.compile (R ' (Ha) {3,5} ')

Mo1=greedyharegex.search (' hahaha ')

Mo1.group ()

Nongreedyharegex=re.compile (R ' (Ha) {3,5}? ')

Mo2=nongreedyharegex.search (' Hahahaha ')

Mo2.group ()

################### #findall () method ###################################

########## #包含被查找字符串中的所有匹配 #############################

Phonenumregex=re.compile (R ' \d\d\d-\d\d\d-\d\d\d\d ')

Phonenumregex.findall (' cell:415-555-9999 work:215-555-0000 ')

########################## #字符分类 #################################

###\d represents any number from 0 to 9

###\d represents any character other than a number from 0 to 9

###\w represents any letter, number, or underscore character (which can be considered a matching "word" character)

###\w represents any character except letters, numbers, and underscores

###\s represents a space, tab, or newline character (which can be thought of as matching "word" characters)

###\s represents any character except spaces, tabs, or newline characters

Xmasregex=re.compile (R ' \d+\s\w+ ')

xmasRegex.findall(‘12 drummers,11 pipers,10 lords,9 ladies,8 maids,7 swans,6 geese,5 rings,4 birds,3 hens,2 doves,1 partri Dge ')

###################### #建立自己的字符分类 ###########################

Vowelregex=re.compile (R ' [Aeiouaeiou] ')

Vowelregex.findall (' RoboCop eats baby food. BABY food ')

####################### #插入字符和美元字符 ###########################

#########^ indicates that the match must occur at the beginning of the text being searched #########################

#########$ indicates that the string must match the end of the pattern #############################

########################## #通配字符 ##################################

#########. The (period) character is called a "wildcard" ###################################

Atregex=re.compile (R '. at ')

Atregex.findall (' The Cat in the hat sat on the flat mat ')

########################## #用点-Star matches all characters ######################

##### #点-Star (. *) denotes "arbitrary text" (Greedy mode: Always matches as much text as possible) ######

# # # #点-Star-question mark denotes "arbitrary text" (non-greedy mode: Always matches as little text as possible) # # # # # #

Nongreedyregex=re.compile (R ' <.*?> ')

Mo=nongreedyregex.search (' <to serve man> for dinner.> ')

Mo.group ()

Greedyregex=re.compile (R ' <.*> ')

Mo=greedyregex.search (' <to serve man> for dinner.> ')

Mo.group ()

#######################################################################

############## #点-The star will match all characters except newline #########################

############## #通过传入re. Dotall as the second parameter of Re.compile () ###########

############## #可以让句点字符匹配所有字符, including newline characters #################

#######################################################################

############# #向re. Compile () incoming re. IgnoreCase or RE.I, case insensitive #######

############ #用sub () method replaces the string #####################################

Namesregex=re.compile (R ' Agent \w+ ')

Namesregex.sub (' censored ', ' agent Alice gave the secret documents to Agent Bob. ')

Agentnamesregex=re.compile (R ' Agent (\w) \w* ')

Agentnamesregex.sub (R ' \1**** ', ' agent Alice told agent Carol that agent Eve knew Agent Bob is a double agent. ')

################### #管理复杂的正则表达式 ###############################

Phoneregex=re.compile (R "" (

(\d{3}|\ (\d{3}\))? #area Code

(\s|-|\.)? #separator

\D{3} #first 3 digits

(\s|-|\.) #separator

\D{4} #last 4 digits

(\s* (Ext|x|ext.)  \s*\d{2,5})? #extension

) ", Re. VERBOSE)

#########################################################################

##################### #pyperclip模块复制和粘贴字符串 ######################

Import Pyperclip,re

# # # #Create Phone regex

Phoneregex=re.compile (R "" (

(\d{3}|\ (\d{3}\))? #area Code

(\s|-|\.)? #separator

\D{3} #first 3 digits

(\s|-|\.) #separator

\D{4} #last 4 digits

(\s* (Ext|x|ext.)  \s*\d{2,5})? #extension

) ", Re. VERBOSE)

# # # #Create Email regex

Emailregex=re.compile (R "" (

[A-za-z0-9._%+-]+ #username

@ #@ Symbol

[s-za-z0-9.-]+ #domain Name

(\. [A-za-z] {2,4}) #dot-something

) ", Re. VERBOSE)

# # # #Find matches in clipboard text.

Text=str (Pyperclip.paste ())

Matches=[]

For groups in Phoneregex.findall (text):

Phonenum = '-'. Join ([groups[1],groups[3],groups[5]])

If groups[8]! = ":

Phonenum + = ' x ' +groups[8]

Matches.append (Phonenum)

# # # #Copy results to the Clipboard.

If Len (matches) >0:

Pyperclip.copy (' \ n '. Join (matches))

Print (' Copied to clipboard: ')

Print (' \ n '. Join (matches))

Else

Print (' No phone numbers or email addresses found. ')

# # #示例1:

############################# #强口令检测 ###################

################## #长度不少于8个字符 #######################

################## #同时包含大写和小写字符 ##################

################## #至少有一位数字 ##########################

Import re

def checklength (PWD):

Ifornot=len (PWD)

If ifornot>=8:

Return True

Else

Return False

def checkupperletter (PWD):

Upperletter=re.compile (R ' [a-z]+ ')

Mo=upperletter.search (PWD)

If MO:

Return True

Else

Return False

def checklowerletter (PWD):

Lowerletter=re.compile (R ' [a-z]+ ')

Mo=lowerletter.search (PWD)

If MO:

Return True

Else

Return False

def checknumletter (PWD):

Lowerletter=re.compile (R ' [0-9]+ ')

Mo=lowerletter.search (PWD)

If MO:

Return True

Else

Return False

def checkpassword (PWD):

Return (Checklength (PWD) and Checkupperletter (PWD) and Checklowerletter (PWD) and Checknumletter (PWD)

# # #示例2:

# # # #正则表达式, match every 3 bits there is a comma number? The following numbers must be matched:

.‘ 42 '

.‘ 1,234 '

.‘ 6,368,745 '

# # # #但不会匹配:

.‘ 12,34,567 '

.‘ 1234 '

Numregex=re.compile (R ' ^\d{1,3} (, \d{3}) *$ ')

Mo=numregex.search (' 12,304,567 ')

Mo.group ()

The regular of Python automation