LYCOS RETRIEVER 
Regular Expression: Regex
built 636 days ago
While regular expressions would be useful on search engines such as Google or Live Search, processing them across the entire database could consume excessive computer resources depending on the complexity and design of the regex. Although in many cases system administrators can run regex-based queries internally, most search engines do not offer regex support to the public. A notable exception is Google Code Search.
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Searching with regular expressions enables you to get results with just one search instead of many searches. Searching for the word "separate" and all of its common misspellings is easy with the regex
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The standard quantifiers in regular expressions are greedy, meaning they match as much as they can, only giving back as necessary to match the remainder of the regex. For example, someone new to regexes wishing to find the first instance of an item between < and > symbols in this example:
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The advantage of using CLR is that the regular expressions of the NET framework are very good, and performance is excellent. However, the techniques are well-known, whereas some of the more powerful uses of VBScript.RegExp have hardly ever been published, so this workbench will concentrate on the latter
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With a bit of practice and assistance from RegexBuddy, you will soon become proficient at crafting regular expressions. Oh, and you definitely do not need to be a programmer to take advantage of regular expressions!
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