np.char.endswith() method - Python

The np.char.endswith() method is used to check whether each string in a NumPy array ends with a specified substring.

For Example: This example checks whether each string in a 1D array ends with the letter "s".

import numpy as np

arr = np.array(["cats", "dogs", "fish"])
print("Array:", arr)

res = np.char.endswith(arr, "s")
print("Result:", res)

Array: ['cats' 'dogs' 'fish']
Result: [ True  True False]

Explanation:

• "cats" and "dogs" end with "s" -> True
• "fish" does not end with "s" -> False

Syntax

np.char.endswith(a, suffix)

Parameters:

• a: array_like of str -> Input array of strings.
• suffix: str -> Substring to check at the end of each string.

Return Value: ndarray of bool -> Boolean array indicating whether each string ends with the given substring.

Examples

Example 1: This example checks if strings in a 1D array end with "ks".

import numpy as np
arr = np.array(['geeks', 'for', 'geeks'])
res = np.char.endswith(arr, 'ks')
print(res)

[ True False  True]

Example 2: This example checks if strings in the array end with the digit "1".

import numpy as np
arr = np.array(['item1', 'item2', 'item3', 'product1'])
res = np.char.endswith(arr, '1')
print(res)

[ True False False  True]

Example 3: This example shows that the method is case-sensitive.

import numpy as np
arr = np.array(['Apple', 'banana', 'Orange'])
res = np.char.endswith(arr, 'e')
print(res)

[ True False  True]