how to see if a string doesnt contain any letters php code example

Example 1: php check if string contains word

$myString = 'Hello Bob how are you?';
if (strpos($myString, 'Bob') !== false) {
    echo "My string contains Bob";
}

Example 2: How do I check if a string contains a specific word php

$a = 'How are you?';

if (strpos($a, 'are') !== false) {
    echo 'true';
}

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Php Example

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