Convert srt to text using javascript

var a = `15:22W
15:24X`; //INPUT SRT TEXT

var result = a.split(/\r?\n/).map (a=>a.substring(a.indexOf(a.match(/[a-zA-Z]/) ))).join(' ')

copy(result) // uses the chrome dev tools console copy command. Note that for this to work, run this script as a chrome snippet in source tab of chrome dev tools

//window.prompt("Copy to clipboard: Ctrl+C, Enter", result); // NOTE: this works only for small srt files as the clipboard size is limited
OUTPUT: "W X"

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