scripts and regex

Author: AyemunHossain

Email finding or validating with regex.py

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+import re
+
+statement = "Please contact us at: [email protected], [email protected]"
+
+pattern = re.compile(r"""
+[\w\.-]+@[\w\.-]+
+""", re.X | re.I)
+
+addresses = re.findall(pattern, statement)                       
+for address in addresses:
+    print("Address: ", address)

__pycache__/webbrowser.cpython-39.pyc

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+import urllib.request
+
+url = "https://www.bing.com/search?q=python"
+headers ={}
+headers['User-Agent'] = "Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.27 Safari/537.17"
+req = urllib.request.Request(url, headers= headers)
+
+data =urllib.request.urlopen(req)
+print(data.read())

featch request.py

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+import re
+
+
+statement = 'Please contact us at: [email protected]'
+match = re.search(r'([\w-]+)@([\w-]+)', statement)
+if statement:
+  print("Email address:", match.group())
+  print("Username:", match.group(1))
+  print("Host:", match.group(2)) 
+
+
+# you can also create named 
+
+statement = 'Please contact us at: [email protected]'
+match2 = re.search(r'(?P<email>(?P<username>[\w-]+)@(?P<host>[\w-]+))', statement)
+if statement:
+  print("Email address:", match2.group("email"))
+  print("Username:", match2.group("username"))
+  print("Host:", match2.group("host")) 
+
+
+# compliling demo match string into regular expression object
+
+pattern = re.compile(r'(?P<email>(?P<username>[\w-]+)@(?P<host>[\w-]+))')
+
+match3 = pattern.search(statement)
+
+if statement:
+  print("Email address:", match3.group("email"))
+  print("Username:", match3.group("username"))
+  print("Host:", match3.group("host")) 
+
+
+#findall in re
+
+statement = "Please contact us at: [email protected], [email protected]"
+
+emails = re.findall(r'[\w\.-]+@[\w\.-]+', statement)
+
+# Finds all the possible matches in the entire sequence and returns them 
+# as a list of strings. Each returned string represents one match.
+for email in emails:
+    print(email)
+
+
+
+pattern = re.compile('COOKIE', re.IGNORECASE)
+match = pattern.search("I am not a cookie monster")
+
+print("Start index:", match.start())
+print("End index:", match.end())
+print("Tuple:", match.span())

regex intermediate.py

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+import re 
+
+print(re.findall(r'quant[ia]tative','will find either quantitative, or quantatative.'))
+
+exampleString = '''Jessica is 15 years old, and Daniel is 27 years old.
+Edward is 97 years old, and his grandfather. (do did done)
+'''
+
+ages = re.findall(r'\d{1,2}',exampleString)
+names = re.findall(r'[A-Z][a-z]*',exampleString)
+print(ages)
+print(names)
+
+# everything except abc,\n
+print(re.findall(r'[^abc(^\n)]',exampleString))
+
+#word after d 
+print(re.findall(r'(d)(\w+)',exampleString))
+
+#dxxxxxxxxx
+#dxxxxxxxxd
+print(re.findall(r'(d)(\w+)(d)',exampleString))
+
+print(re.search(r'(d)(\w+)(d)',exampleString)) #returns the re object
+print(re.search(r'(d)(\w+)(d)',exampleString).group()) # returns the matches

regex.py

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+import os 
+import time
+shutdown = input("Do you wish to shutdown your computer ? (yes / no): ") 
+  
+if shutdown == 'y' or shutdown == 'Y': 
+    info = input(" Now (yes / no): ") 
+    if info == "y" or info=="Y":
+    	print("Y")
+    	os.system("shutdown /s /t 1")
+    	print(f"Bye Bye")
+    	time.sleep(1)
+    else:
+    	info2 = int(input("How many minuets leter ? ") 	)
+    	try:
+    		print(f"You will be shutdown after {info2} minuets")
+    		os.system(f"shutdown /s /t {info2*60}")
+    		time.sleep(1)
+    	except:
+    		print(f"Input error or you changed mind? please try leter")
+    		time.sleep(2)
+else: 
+	exit()     

shoutdown like a pro.py

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+import sys
+
+try:
+	print(f"You wrote in terminal: {sys.argv[1]}, {sys.argv[2]}")
+except:
+	print("You don't give input in terminal")

simple agrument from terminal.py

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+import sys 
+
+print(f"This is the biggest integer {sys.maxsize}")
+print(f"Your platform or OS is {sys.platform}")