true 2 decimal true $xIsUpperCaseABCDEFGHIJKLMNOPQRSTUVWXYZxfindstr1-\ne 11line\leftarrow$ $xIsLowerCaseabcdefghijklmnopqrstuvwxyzxfindstr1-\ne 11line\leftarrow$ $mIsUpperCase0$ $mIsLowerCase1$ $MIsUpperCase1$ $MIsLowerCase0$ $formulaC2H5OH\leftarrow$ $k1\leftarrow kformulastrlen\le kk1+\leftarrow resultk1elformulak1substr\leftarrow resultk1elIsLowerCaseresultk1elIsUpperCase|resultk1elIsLowerCaseresultk2elLower\; case\; letter\leftarrow resultk2elUpper\; case\; letter\leftarrow ifresultk2elDigit\leftarrow if21linefor$ $resultCUpper\; case\; letter2DigitHUpper\; case\; letter5DigitOUpper\; case\; letterHUpper\; case\; letter62mat$