backreference造句
例句與造句
- identifies either an octal escape value or a backreference
標(biāo)識(shí)一個(gè)八進(jìn)制轉(zhuǎn)義碼或反向引用。 - is a backreference followed by literal
是反向引用,后面跟有字符 - provides information on regular expression backreference modifiers
提供有關(guān)正則表達(dá)式反向引用修飾符的信息。 - the backreference construct
反向引用構(gòu)造 - is a backreference
是反向引用。 - It's difficult to find backreference in a sentence. 用backreference造句挺難的
- for similar functionality within regular expressions, use a backreference for example,
對(duì)于正則表達(dá)式中的類似功能,使用后向引用(如 - marks the next character as a special character, a literal, a backreference, or an octal escape
將下一字符標(biāo)記為特殊字符、文本、反向引用或八進(jìn)制轉(zhuǎn)義符。 - are unambiguous and cannot be confused with backreferences . backreference behavior is slightly different when the
選項(xiàng)標(biāo)志被啟用時(shí),反向引用行為將稍有不同。 - specifically, when a group makes multiple captures, a backreference refers to the most recent capture
具體地講,就是當(dāng)組建立多個(gè)捕獲時(shí),反向引用引用最近的捕獲。 - the following table lists optional parameters that add backreference modifiers to a regular expression
下表列出了用于將后向引用修飾符添加到正則表達(dá)式中的可選參數(shù)。 - if a regular expression contains a backreference to an undefined group number, it is considered a parsing error
如果正則表達(dá)式包含對(duì)未定義的組成員的反向引用,則它被視作分析錯(cuò)誤。 - if a group has not captured any substring, a backreference to that group is undefined and never matches
如果一個(gè)組尚未捕獲任何子字符串,則對(duì)該組的反向引用是未定義的并且永遠(yuǎn)不匹配。 - a backreference refers to the most recent definition of a group the definition most immediately to the left, when matching left to right
反向引用引用組的最近的定義(當(dāng)從左到右匹配時(shí),最靠近左側(cè)的定義)。 - and up are considered backreferences if there is a backreference corresponding to that number; otherwise, they are interpreted as octal codes unless the starting digits are 8 or 9, in which case they are treated as literal " 8 " and " 9 "
和更高位表達(dá)式在具有與該號(hào)碼對(duì)應(yīng)的反向引用時(shí)被視作反向引用;否則,它們會(huì)被解釋為八進(jìn)制代碼(除非起始位是8或9,在這種情況下它們被視為原義的“8”和“9”)。