Check if a given string contains a specific word. The search should be case-insensitive.
Examples:
Input: text = "Hello World", word = "world"
Output: true
Explanation: The string contains the word "world" (case-insensitive match).
Input: text = "Salesforce Lightning", word = "apex"
Output: false
Explanation: The string does not contain the word "apex".
Input: text = "Learning Apex Development", word = "Apex"
Output: true
Explanation: The string contains "Apex" with case-insensitive matching.
Apex Code Editor
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