python string index substring code example
Example 1: python string indexing
str = 'codegrepper'
print(str[:])
print(str[::])
print(str[5:])
print(str[:8])
print(str[::2])
print(str[2:8])
print(str[2:8:2])
print(str[::-1])
print(str[::-3])
print(str[8:3:-1])
Example 2: python index of string
string = "Hello World"
string_slice = string[1:10]
string_last_chars = string[-5:]
H = string[0]
Example 3: how to find the indexes of a substring in a string in python
import re
matches_start = re.finditer(word.lower(), string.lower())
matches_position_start = [match.start() for match in matches_start]
matches_end = re.finditer(word.lower(), string.lower())
matches_position_end = [match.end() for match in matches_end]