strings >> Strings Creation char double cellstr blanks single Tests ischar= use isstr iscellstr isletter isspace isalnum isalpha isascii iscntrl isdigit isgraph islower isprint ispunct isstr isupper isxdigit Search and replace strmatch fnmatch regexp regexpi strcmp strncmp strcmpi strncmpi findstr strfind index rindex strrep substr cellidx Operations deblank split strcat strvcat strcmp strjust strtok upper lower tolower toupper do_string_escapes undo_string_escapes strappend strsort Conversion toascii setstr num2str com2str str2mat str2num strftime mat2str int2str str2double sprintf sscanf hex2num hex2dec bin2dec base2dec dec2hex dec2bin dec2base strptime base64encode csvexplode csvconcat Flags warn_num_to_str warn_str_to_num warn_single_quote_string string_fill_char