how to find the location of a character in a string in python
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1how to find the location of a character in a string in python
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1find the index of a character in a string python
my_var = 'mummy'. #Find the position of 'm'
#Using find - find returns the index for the first instance from the left.
my_var.find('m')
# Output: 0
#Using rfind - rfind returns the index for the first instance from the right.
my_var.rfind('m')
# Output: 3
# With find() and rfind(), when substring is not found, it returns -1.
#NB: You can use index() and rindex(). In this case, when the substring is not
# found, it raises an exception.how to find the indexes of a substring in a string in python
import re
# matches_position_start will be a list of starting index positions
matches_start = re.finditer(word.lower(), string.lower())
matches_position_start = [match.start() for match in matches_start]
# matches_position_end will be a list of ending index positions
matches_end = re.finditer(word.lower(), string.lower())
matches_position_end = [match.end() for match in matches_end]Copyright © 2021 Codeinu
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