var arbitraryValueRegex = /^\[(?:([a-z-]+):)?(.+)\]$/i;
var fractionRegex = /^\d+\/\d+$/;
var stringLengths = /*#__PURE__*/new Set(['px', 'full', 'screen']);
var tshirtUnitRegex = /^(\d+(\.\d+)?)?(xs|sm|md|lg|xl)$/;
var lengthUnitRegex = /\d+(%|px|r?em|[sdl]?v([hwib]|min|max)|pt|pc|in|cm|mm|cap|ch|ex|r?lh|cq(w|h|i|b|min|max))|\b(calc|min|max|clamp)\(.+\)|^0$/;
// Shadow always begins with x and y offset separated by underscore
var shadowRegex = /^-?((\d+)?\.?(\d+)[a-z]+|0)_-?((\d+)?\.?(\d+)[a-z]+|0)/;
function isLength(value) {
  return isNumber(value) || stringLengths.has(value) || fractionRegex.test(value) || isArbitraryLength(value);
}
function isArbitraryLength(value) {
  return getIsArbitraryValue(value, 'length', isLengthOnly);
}
function isArbitrarySize(value) {
  return getIsArbitraryValue(value, 'size', isNever);
}
function isArbitraryPosition(value) {
  return getIsArbitraryValue(value, 'position', isNever);
}
function isArbitraryUrl(value) {
  return getIsArbitraryValue(value, 'url', isUrl);
}
function isArbitraryNumber(value) {
  return getIsArbitraryValue(value, 'number', isNumber);
}
function isNumber(value) {
  return !Number.isNaN(Number(value));
}
function isPercent(value) {
  return value.endsWith('%') && isNumber(value.slice(0, -1));
}
function isInteger(value) {
  return isIntegerOnly(value) || getIsArbitraryValue(value, 'number', isIntegerOnly);
}
function isArbitraryValue(value) {
  return arbitraryValueRegex.test(value);
}
function isAny() {
  return true;
}
function isTshirtSize(value) {
  return tshirtUnitRegex.test(value);
}
function isArbitraryShadow(value) {
  return getIsArbitraryValue(value, '', isShadow);
}
function getIsArbitraryValue(value, label, testValue) {
  var result = arbitraryValueRegex.exec(value);
  if (result) {
    if (result[1]) {
      return result[1] === label;
    }
    return testValue(result[2]);
  }
  return false;
}
function isLengthOnly(value) {
  return lengthUnitRegex.test(value);
}
function isNever() {
  return false;
}
function isUrl(value) {
  return value.startsWith('url(');
}
function isIntegerOnly(value) {
  return Number.isInteger(Number(value));
}
function isShadow(value) {
  return shadowRegex.test(value);
}

export { isAny, isArbitraryLength, isArbitraryNumber, isArbitraryPosition, isArbitraryShadow, isArbitrarySize, isArbitraryUrl, isArbitraryValue, isInteger, isLength, isNumber, isPercent, isTshirtSize };
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