substr

substr

美 　英

• 网络字符串；子串；字符串截取

例句

The substr _replace() function replaces a part of a string with another string.

函数的作用是：替换字符串中一部分为另一字符串。

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。

The substr () function returns a part of a string.

函数地作用是：返回子字符串可以。

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。

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。

You saw in Part 1, Figure 13 that the cn attribute type has a field called SUBSTR, which defines the matching rules for substring match.

在第1部分的图13可以看到，cn属性类型有一个叫做SUBSTR的字段，它定义了子字符串匹配的匹配规则。

often-overlooked thing about substr() is that you can use a negative character position.

一个容易被忽略的特点是，你可以使用负的字符串起始位置。

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。