“Python re compile” Réponses codées

Exemple recompile

import re

# Target String one
str1 = "Emma's luck numbers are 251 761 231 451"

# pattern to find three consecutive digits
string_pattern = r"\d{3}"
# compile string pattern to re.Pattern object
regex_pattern = re.compile(string_pattern)

# print the type of compiled pattern
print(type(regex_pattern))
# Output <class 're.Pattern'>

# find all the matches in string one
result = regex_pattern.findall(str1)
print(result)
# Output ['251', '761', '231', '451']

# Target String two
str2 = "Kelly's luck numbers are 111 212 415"
# find all the matches in second string by reusing the same pattern
result = regex_pattern.findall(str2)
print(result)
# Output ['111', '212', '415']
Encouraging Elephant

Python re compile

import re
#	Compile a regular expression pattern into a regular expression object, which can be used for matching using its match(), search() and other methods, described below.

prog = re.compile(pattern)
result = prog.match(string)

#	is equivalent to

result = re.match(pattern, string)
Blushing Barracuda

re python3

import re
>>> m = re.search('(?<=abc)def', 'abcdef')
>>> m.group(0)
'def'
Proud Penguin

Python regex compile re.Compile ()

# Module Regular Expression is imported
import re

# compile() creates regular expression character class [a-d], which is equivalent to [abcd].
# class [abcd] will match with string with 'a', 'b', 'c', 'd'.
p = re.compile('[a-e]')

# findall() searches for the Regular Expression nd return a list upon finding
print(p.findall("Hello, Welcome to Softhunt.net Tutorial Website"))
Outrageous Ostrich

Python regex re.Compile ()

import re

# \w is equivalent to [a-zA-Z0-9_].
p = re.compile('\w')
print(p.findall("He said * in some_lang."))

# \w+ matches to group of alphanumeric character.
p = re.compile('\w+')
print(p.findall("I went to him at 9 A.M., he \
said *** in some_language."))

# \W matches to non alphanumeric characters.
p = re.compile('\W')
print(p.findall("he said *** in some_language."))
Outrageous Ostrich

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