is-numerical-string.mjs 210 B

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  1. /**
  2. * Check if value is a numerical string, ie a string that is purely a number eg "100" or "-100.1"
  3. */
  4. const isNumericalString = (v) => /^-?(?:\d+(?:\.\d+)?|\.\d+)$/u.test(v);
  5. export { isNumericalString };