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var baseIndexOf = require('./_baseIndexOf');
/**
* Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
* that is not found in the character symbols.
*
* @private
* @param {Array} strSymbols The string symbols to inspect.
* @param {Array} chrSymbols The character symbols to find.
* @returns {number} Returns the index of the last unmatched string symbol.
*/
function charsEndIndex(strSymbols, chrSymbols) {
var index = strSymbols.length;
while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
return index;
}
module.exports = charsEndIndex;
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