Find text in array use preg_match : <p>I have code :</p>

<pre><code>Array
(
    [0] =&gt; Array
        (
            [Time] =&gt; 05/24/2016 05:24
            [Type] =&gt; Income
            [Batch] =&gt; 134410438
            [Currency] =&gt; USD
            [Amount] =&gt; 60.00
            [Fee] =&gt; 0.00
            [Payer Account] =&gt; 123213
            [Payee Account] =&gt; 512321
            [Memo] =&gt; ,Received Payment 60.00 USD from account 123213. Memo: API Payment. EXCHANGE755531.
        )
</code></pre>

<p>How i can find text "EXCHANGE755531" in this array use preg_match ?</p>
