I need your help!
Im kinda new whats regarding python and "hex".
I have a site where people can enter their own HEX-Color for their messages.
So currently i have everything built in except the "isHEXColor" Check..
I realy dont know how i can be sure that the user gave a valid HEX-Color-Code.
Currently im just checking if the len is 6 digits, nothing more.
if not len(color) == 6: return error("HEX-Color" must contain 6 characters")
Can you might help me? And it should work for Python 2.5!
You could use a regular expression:
^#(?:[0-9a-fA-F]{3}){1,2}$
For using regular expression in python https://docs.python.org/2/library/re.html
import re
str = '#ffffff' # Your Hex
match = re.search(r'^#(?:[0-9a-fA-F]{3}){1,2}$', str)
if match:
print 'Hex is valid'
else:
print 'Hex is not valid'