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[.net] vs2005 DL : 0: 在计算机科学中，是指一个用来描述或者匹配一系列符合某个句法规则的字符串的单个字符串。在很多文本编辑器或其他工具里，正则表达式通常被用来检索和/或替换那些符合某个模式的文本内容。许多程序设计语言都支持利用正则表达式进行字符串操作。例如，在Perl中就内建了一个功能强大的正则表达式引擎。正则表达式这个概念最初是由Unix中的工具软件（例如sed和grep）普及开的。正则表达式通常缩写成“regex”，单数有regexp、regex，复数有regexps、regexes、regexen。 -In computer science, a single string to be used to describe or match a series string of a syntactic rules. In many text editors or other tools, the regular expression is usually used to retrieve and/or replace the contents of the text that matches a pattern. Many programming languages support the use of regular expressions for string manipulation. For example, the built-in Perl a powerful regular expression engine. Regex the concept was first popularized by the Unix software tools (such as sed and grep). Regular expressions are usually abbreviated as " regex" singular regexp, the regex plural regexps, the regexes by, regexen,.
Date : 2025-12-18 Size : 32kb User : 育苗