Contains Substring
Not Started

Given a String inputStr and a String subStr, return true if inputStr contains subStr otherwise return false.

Example 1:

Input: inputStr = 'I love to code', subStr = 'code'
Output: true
Explanation: The input string contains the word 'code'.


Example 2:

Input: inputStr = 'I FREAKING LOVE TO CODE', subStr = 'code'
Output: true
Explanation: The input string does contain the word 'code'.


Example 3:

Input: inputStr = 'I only use Flow', subStr = 'code'
Output: false
Explanation: The input string does not contain the word 'code'.


Example 3:

Input: inputStr = 'I only use Flow', subStr = 'flow'
Output: true
Explanation: The input string does contain the word 'flow'.


Constraints:

  • inputStr and subStr can be of any length.
  • inputStr and subStr may be null
  • The search should be case insensitive.