Lookbehind in regexp not supported on iOS about descriptors HOT 4 CLOSED

.trim()
// Replace one or more consecutive whitespace characters (spaces, tabs,
// or line breaks) with a single space.
.replace(/\s+/g, ' ')
// Now encode numbers to little endian hex. Note that numbers are not
// enclosed in <>, since <> represents hex code already encoded.
// The regex below will match one or more digits within a string,
// except if the sequence is surrounded by "<" and ">"
.replace(/(<\d+>)|\b\d+\b/g, (match) => 
  match.startsWith('<') ? match : numberEncodeAsm(Number(match))
)
// we don't have numbers anymore, now it's safe to remove < and > since we
// know that every remaining is either an op_code or a hex encoded number
.replace(/[<>]/g, '');