Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

HTML

<input id="pax_9495237e-5c9e-489f-8700-2f82e211fd51__Age" value='544' />
<input id="pax_9495237e-9h7e-489f-8700-2f82e211fd51__Age" value='65' />
<input id="pax_9495237e-9k2e-489f-8700-2f82e211fd51__Age" value='f0' />

JavaScript

$('[id$="__Age"]').each(function(){
    if(isNaN(parseInt($(this).val()))){
        alert(this.id + ' is not a number');
    }
})

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JSFiddle - React, Tailwind, and code Playground

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