
How can I check if character in a string is a letter? (Python)
Please note that "word character" in programming usually refers to letters and numbers and underscores. This question is actually asking about "letters"; if you need to see if a character is a word character, the best way I've found is character.isalnum() or character == "_".
function - isalpha implementation C - Stack Overflow
An implementation of isalpha is free to use whatever implementation-specific tricks it likes. It's required to work within the C implementation it's part of. It's not required to be implemented in portable C. On the other hand, a portable implementation of isalpha is …
Python: is isalnum () the same as isalpha with isdigit?
Jun 11, 2016 · From the documentation of Python 3: str.isalnum() Return true if all characters in the string are alphanumeric and there is at least one character, false otherwise. A character c is alphanumeric if one the following returns True: c.isalpha (), c.isdecimal (), c.isdigit (), or c.isnumeric (). So it is not the same as isalpha() nor isdigit().
c - What is the simplest way of using isdigit () and isalpha ...
Jan 12, 2017 · I need a brief explanation on how the two commands isdigit() and isalpha() work. Of course, I read online sources before asking the question, but I tried them and couldn't get them to work. What is...
java - Check if String contains only letters - Stack Overflow
Nov 8, 2012 · The idea is to have a String read and to verify that it does not contain any numeric characters. So something like "smith23" would not be acceptable.
isalpha python function won't consider spaces - Stack Overflow
Jan 2, 2014 · So the code below takes an input and makes sure the input consists of letters and not numbers. How would i make it also print orginal if the input contains a space original = raw_input("Type the n...
Javascript Function that returns true if a letter? - Stack Overflow
Oct 19, 2016 · So I'm looking to write a function for my class that is titled isAlpha that accepts a character (preferably a string with length of 1) and returns true if it's a letter and false if it's not. The...
How can I check if a string only contains letters?
Apr 15, 2015 · The first routine asks if the 1st character is numeric and the second routine asks if the 2nd character is alpha. Currently, the second "if" routine is ejecting me from the sub-routine when IsAlpha tests True, rather than generating the MsgBox. Is the IsAlpha function not being called correctly? If routines code listed below: Private Sub CmdMap ...
How to use spaces in Python with .isalpha () - Stack Overflow
Mar 22, 2017 · I am currently learning Python with Codecademy, and they have a project there called "PygLatin translator". I have made the same thing from scratch(to test my knowledge) and it works, but only 1 wo...
What is the difference between isAlpha and isLetter?
Nov 21, 2012 · In Haskell, the function Data.Char.isAlpha checks if a character is a letter, but so does Data.Char.isLetter. Is there any real difference between these functions, or are they interchangeable?