The INDEX function searches source, from left to right, for the first occurrence of the string specified in excerpt, and returns the position in source of the string's first character. If the string is not found
【语法】: ①(right of =) Function,提取字符: Substr(s,p,n)从字符串s中的第p个字符开始提取n个字符的子串 ②(left of =) Function,字符替换: Substr(s,p,n)=characters-to-replace,从变量s的第p个字符开始替换n个字符 【注意】: ①必须是从字符变量...
经过实测发现,strip用于去除两端空格,left把左边空格移到右边,right则把右边空格移到左边,trim去除右边空格。 7、其他函数 1)UPCASE, LOWCASE, PROPCASE: 分别用于将字符串转换为全大写、全小写、首字母大写其余小写。 2)LENGTH: 返回字符串的长度。 141 data xaa; 142 ucs = upcase('function'); 143 lcs ...
SUBPAD Function Returns a substring that has a length you specify, using blank padding if necessary. SUBSTR (left of =) Function Replaces character value contents. SUBSTR (right of =) Function Extracts a substring from an argument. SUBSTRN Function Returns a substring, allowing a result with ...
DEQUOTE Function Removes matching quotation marks from a character string that begins with a quotation mark, and deletes all characters to the right of the closing quotation mark. FIND Function Searches for a specific substring of characters within a character string. FINDC Function Searches a ...
那么将回归程序写成一个宏，每次用的时候换参数就可以了。 总之，宏可以降低重复性工作的任务量，使程序...
Since the backslash, forward slash, parentheses and several other characters have special meaning in a regular expression, you may wonder, how do you search a string for a \ character or a left or right parenthesis? You do this by preceding any of these special characters with a backslash ...
Re: Search string from end to find substring, This substring must be preceded by a certain word Posted 04-19-2017 05:35 PM (1578 views) | In reply to Bhuvaneswari This searches a string from left to right for two words, if they are in the string you will get th...
SUBPAD Function Returns a substring that has a length you specify, using blank padding if necessary. SUBSTR (left of Replaces character value contents. =) Function SUBSTR (right Extracts a substring from an argument. of =) Function SUBSTRN Function TRANSLATE Function TRANSTRN Function TRANWRD ...
Program 1.4: Program to capitalize the first letter of the first and last name (using SUBSTR) ***Primary functions: LOWCASE, UPCASE ***Other function: SUBSTR (used on the left and right side of the equal sign); DATA CAPITALIZE;