How to check if a character is upper-case in Python

Question

I have a string like this   gt  gt  gt  x  Alpha beta Gamma   gt  gt  gt  words    y for y in x split        gt  gt  gt  words   Alpha    beta    Gamma     I want output saying X is non conformant as the the second element of the list words starts with a lower case and if the string x    Alpha Beta Gamma  then it should print string is conformant

User · Accepted Answer

Maybe you want str istitle   gt  gt  gt  help str istitle  Help on method descriptor   istitle          S istitle   - gt  bool      Return True if S is a titlecased string and there is at least one     character in S  i e  uppercase characters may only follow uncased     characters and lowercase characters only cased ones  Return False     otherwise    gt  gt  gt   Alpha beta Gamma  istitle   False  gt  gt  gt   Alpha Beta Gamma  istitle   True  gt  gt  gt   Alpha Beta GAmma  istitle   False

User · Answer

To test that all words start with an upper case use this   print all word 0  isupper   for word in words

User · Answer

words   x split      for word in words      if word 0     word 0  upper   and word 1      word 1   lower            print word   is conformant      else          print word   is non conformant

User · Answer

You can use this code   def is valid string       words   string split          for word in words          if not word istitle                return False  word     return True  words x  Alpha beta Gamma  assert is valid x    False  beta   x  Alpha Beta Gamma  assert is valid x    True   Alpha    Beta    Gamma      This way you know if is valid and what word is wrong

User · Answer

You can use this regex     A-Z  a-z       A-Z  a-z        Sample code   import re  strings     Alpha beta Gamma    Alpha Beta Gamma   pattern   r   A-Z  a-z       A-Z  a-z        for s in strings      if re match pattern  s           print s     conforms      else          print s     doesn t conform    As seen on codepad

User · Answer

Use list str  to break into chars then import string and use string ascii uppercase to compare against   Check the string module  http   docs python org library string html

User · Answer

x  Alpha beta Gamma  is uppercase letter   True in map lambda l  l isupper    x  print is uppercase letter  gt  gt  gt  gt True   So you can write it in 1 string

[python] How to check if a character is upper-case in Python?

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