TAILIEUCHUNG - HandBooks Professional Java-C-Scrip-SQL part 235

Tham khảo tài liệu 'handbooks professional java-c-scrip-sql part 235', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | started at offset pos. x pos 0 Returns the index of x in string s or nil if x isn t present. x may be an integer representing the character code a string or a pattern. If pos is given the search is started at offset pos. Returns the symbol corresponding to s. See s .size. w Returns a string of length w with s left-justified. s is padded with spaces if it has a length of less than w. Retrieves the next logical successor of the string s. aa .succ 99 .succ a9 .succ Az .succ zz .succ ab 100 b0 Ba aaa Treats s as a string of octal digits and returns its integer value. If s begins with 0x it s treated as a hexidecimal string if s begins with 0b it s treated as a binary string. str Replaces contents of s with that of str. s abc foobar foobar s foobar contents replaced Reverses the characters in the string s. x pos Returns the index of last occurrence of x in s as calculated from the end of the string or nil if x isn t present. x may be an integer representing the character code a string or a pattern. If pos is given the search is ended at offset pos. w Returns a string of length w with s right-justified. s is padded with spaces if it has a length of less than w. foo .rjust 10 foo foo .rjust 2 foo re re x . Attempts to match the regular expression re iterating through the string s. scan returns an array containing either arrays which hold the matched results from groups or strings which represent the matched results if there were no groups in the expression. If a block is specified it executes iterating through each element in the array that would have been returned had scan been called without a block. foobarbaz .scan ba . ba r ba z foobarbaz .scan ba . s p s prints ba r ba z Returns the length of the string. n n. m n len Returns a partial string. n n. m n len Deletes the

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