substr

Functions like SUBSTR and LENGTH work with characters when called in conjunction with UCS-2 data types .

当用UCS-2数据类型调用时，SUBSTR和LENGTH等函数处理字符。

An implementation like that makes use of the fact that functions like SUBSTR and LENGTH still work correctly on the GRAPHIC data type .

SUBSTR和LENGTH等函数仍然可以正确地处理GRAPHIC数据类型，所以这样的实现是有效的。

In combination with the data types that use UTF-8 encoding , functions like SUBSTR and LENGTH still work with bytes and not with characters .

在与使用UTF-8编码的数据类型结合使用时，SUBSTR和LENGTH等函数仍然处理字节而不是字符。

This explains the use of substr ( text , match [ 0 ] , match [ 1 ] ) in the last line of code .

这解释了最后一行代码中substr（text，match[0]，match[1]）的使用。

It is equally easy to work with character positions using functions like reverse (), right (), justify (), center (), pos (), or substr ()( and others ) .

可以同样容易地使用reverse（）、right（）、justify（）、center（）、pos（）或者substr（）（还有其他的）函数来处理字符位置。

Length of a string variable : Input argument for the SUBSTR function , which determines the desired length of the resulting string or output of the LENGTH function .

字符串变量的长度：SUBSTR函数的输入参数，决定了结果字符串的期望长度或LENGTH函数的输出。

I 'm choosing to use the strip_tags () and substr () functions to remove all HTML tags from the search term and to cut it down to size .

我选择使用striptags（）和substr（）函数来删除搜索词内的所有HTML标记并对之进行简化。

Tie : : CharArray is in fact a very good way to forget about the particulars of the Perl substr () or pack () / unpack () or split () functions .

CharArray实际上是不考虑有关Perl中substr（）或pack（）/unpack（）或者split（）函数的细节的极佳办法。