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var baseToString = require('../internal/baseToString'),
isIterateeCall = require('../internal/isIterateeCall');
/** Used to match words to create compound words. */
var reWords = (function() {
var upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]',
lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+';
return RegExp(upper + '+(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
}());
/**
* Splits `string` into an array of its words.
*
* @static
* @memberOf _
* @category String
* @param {string} [string=''] The string to inspect.
* @param {RegExp|string} [pattern] The pattern to match words.
* @param- {Object} [guard] Enables use as a callback for functions like `_.map`.
* @returns {Array} Returns the words of `string`.
* @example
*
* _.words('fred, barney, & pebbles');
* // => ['fred', 'barney', 'pebbles']
*
* _.words('fred, barney, & pebbles', /[^, ]+/g);
* // => ['fred', 'barney', '&', 'pebbles']
*/
function words(string, pattern, guard) {
if (guard && isIterateeCall(string, pattern, guard)) {
pattern = undefined;
}
string = baseToString(string);
return string.match(pattern || reWords) || [];
}
module.exports = words;
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