这是字符匹配的位置。
比赛一退格如果在字符匹配模式。
您还可以使用“.” （点号）匹配任何单个的字符。
You can also use "." (a period) to match any single character.
字符表示匹配一个或多个前面的元素。
The + character means to match one or more of the previous element.
如果设置为1，则返回匹配之后的第一个字符的位置。
If set to 1 the position of the first character after the match is returned.
尤其是当字符集本身就无法匹配的时候。
例如，模式o{2}将匹配两个(仅仅两个)o字符。
For example, the pattern o {2} would match two (and only two) o characters.
模式n：使点匹配任何字符，包括新行。
Mode n: Make the dot match any character, including new lines.
匹配任何单一字符（_）
匹配任意数量的任何字符(%)？
但是，只有这两个字符串出现在同一行上，这个命令才认为是匹配的。
However, this command will only find matches where both strings exist on the same line.
字符或百搭后面的星号（ * ）表明它可以与多个任意字符相匹配。
The star (*) after a character or a joker indicates that it can repeat indefinitely.
所有与搜索字符串相匹配的记录都将成为枚举结果集的一部分。
Any records that match the search string will become part of the enumeration result set.
考虑指定字符串来匹配输入是否来自远程计算机源。
Consider specifying strings to match if input is from a remote machine source.
如果这两个颜色字符串匹配，就会显示这种颜色的消息。
If the two color strings match, a message with that color is displayed.
他还在写她的名字，当作是解开纵横字谜的一个字符长度匹配的线索。
He still writes her name as a solution to crossword puzzle clues of suitable length.
例如，正则表达式abc将与字符串abc匹配，但不与def匹配。
For example, the regular expression ABC will match the string ABC but not DEF.
脱字符号将匹配字符串的开头。
替换字符串可能包含对在之前的匹配中捕获的子序列的引用。
The replacement string may contain references to subsequences captured during the previous match.
中缀索引将匹配在字符串内任意位置的子字符串。
The infix index would match substrings anywhere within the string.
它们尽可能多地匹配字符串。
在规则表达式中，方括号只表示“查找与方括号中任何字符的匹配字符”。
In regular expressions, square brackets just mean "match any character in the brackets."
这匹配类型为字符串的所有元素，或基类型为字符串的限制。
Matches all elements that are of type string or restrictions of a base type string
如果模式与版本字符串模式不相匹配，那么就会创建一条状态信息。
If the pattern does not match the version string pattern, a status message is created.
很不幸，这个正则并不会正确地匹配字符串，取而代之，它会输出。
Unfortunately, this will not correctly match the string. Instead, it will print.
dacscheck_cgi的参数将针对此字符串进行匹配。
The argument to dacscheck_cgi is matched against this string.
如果不匹配，那么就会返回字符串None found 。
If no match is found, then the string None found! Is returned.
source：正则表达式所匹配的输入字符串。
Source: the input string the regular expression is matched against.
source：正则表达式所匹配的输入字符串。
Source: the input string the regular expression is matched against.
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