PYTHON

python count multiple characters in string

# Basic syntax:
import re
len(re.findall('[characters]', your_string))

# Example usage:
# say you want to count all G, g, C, or c characters in the following DNA seq
len(re.findall('[GgCc]', "ACGTGCAcgattcgatCGCTAGCTAG"))
--> 14

check if multiple characters is in string python

def containsAny(str, set):
    """ Check whether sequence str contains ANY of the items in set. """
    return 1 in [c in str for c in set]

def containsAll(str, set):
    """ Check whether sequence str contains ALL of the items in set. """
    return 0 not in [c in str for c in set]

python multiple characters

print('-' * 20) # Print - 20 times on one line.
# output: --------------------