RegEx

Author: Nar0kan

RegEx/check_phone_number.py

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+import re
+
+"""Ukrainian phone numbers starts with 380 and contain 8 other digits. The task is to create a function
+which will tell (return) you if the number is valid. Also I thought that stored boolean data and phone
+numbers should be represented as {} - dictionary."""
+
+# old function without using re
+def check_phone_number_old(n:list):
+    res = {}
+    for el in n:
+        if el[0] == "+" or el[0] == "-":
+            el = el[1:]
+        if len(el) == 12 and el[0:3] == "380" and el.isnumeric() == True:
+            res[el] = True
+        else:
+            res[el] = False
+    return res
+
+# new function with implementing findall() function
+def check_phone_number(n:list):
+    res = {}
+    for el in n:
+        if el[0] == "+" or el[0] == "-":
+            el = el[1:]
+        if re.findall(r"380[0-9]{9}", el) and len(el) == 12:
+            res[el] = True
+        else:
+            res[el] = False
+    return res
+    
+if __name__ == "__main__":
+    print("test 1: ")
+    print(check_phone_number_old(["+380717083891", "38000000", "22219993152"]), \
+        check_phone_number(["380717283891", "38000000", "22219993152"]), sep = "\n") # True False False
+    print("test 2: ")
+    print(check_phone_number_old(["380090990s", "00000000000", "380380380383"]), \
+        check_phone_number(["380090990s", "00000000000", "-380380380383"]), sep = "\n") # False, False, True

RegEx/example_1.py

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+import re
+
+""" with re.findall() method you can loop through string variable as second function argument to find and output
+the needed variables, written as first argument.
+"""
+
+text_1 = "He spelled some compliments about her #00FF00 eye color"
+
+search_1 = re.findall("\\bher\\b", text_1)      # r"\bher\b" | - will output spaced chars
+#print(search_1)
+
+search_2 = re.findall("me", text_1)
+#print(search_2)
+
+search_3 = re.findall("[a-zA-Z]", text_1)       # this will output all alphabet chars in text_1
+#print(search_3)
+
+search_4 = re.findall(".", text_1)       # this will output all text_1 chars with spaces
+#print(search_4)
+
+search_5 = re.findall("[^ a-zA-Z]", text_1)       # this will output none alphabet and space chars in text_1
+#print(search_5)
+
+search_6 = re.findall("[0-9]", text_1)       # this will output all the single digits chars in text_1
+print(search_6)
+
+search_7 = re.findall("[0-9][0-9]", text_1)       # this will output all the double numbers chars in text_1
+print(search_7)

RegEx/example_2.py

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+import re
+
+""" This file will represent major, minor and other quantificators in re with findall function"""
+
+#major form
+text_1 = "Google, Gooogle, Goooooogle"
+match_1 = re.findall(r"o{2,5}", text_1)
+#print(match_1)
+
+#minor form
+match_2 = re.findall(r"o{2,5}?", text_1)
+#print(match_2)
+
+
+"""short forms"""
+
+match_3 = re.findall(r"o{2,}", text_1)
+#print(match_3)
+
+match_4 = re.findall(r"Go{,3}gle", text_1)
+#print(match_4)
+
+match_5 = re.findall(r"o{2}", text_1)
+#print(match_5)
+
+
+# also \d, \ and some other commands may be used with quants
+text_2 = "380631212123"
+
+match_6 = re.findall("380\d{9}", text_2)
+print(match_6)