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A regular expression ... but only at the beginning of the string or line. ... The specific syntax rules vary depending on the specific implementation, ...
A regex search scans the text of each page on Wikipedia in real time, character by character, to find pages that match a specific sequence or pattern of characters. Unlike keyword searching, regex searching is by default case-sensitive, does not ignore punctuation, and operates directly on the page source (MediaWiki markup) rather than on the ...
Regular expressions (or regex) are a common and very versatile programming technique for manipulating strings. On Wikipedia you can use a limited version of regex called a Lua pattern to select and modify bits of text from a string. The pattern is a piece of code describing what you are looking for in the string.
A regular expression or regex is a sequence of characters that define a pattern to be searched for in a text. Each occurrence of the pattern may then be automatically replaced with another string, which may include parts of the identified pattern. AutoWikiBrowser uses the .NET flavor of regex. [1]
For example, prefix:help:t finds Help pagenames that begin with "T". When the string has zero characters all pages in the given namespace are found. When the string has all the characters a pagename, a single page is found. The string is not case sensitive. The namespace can be an namespace alias, like WP for Wikipedia.
Regex – If checked indicates that the find and replace expression is a regular expression. Multiline – If checked, this indicates to AWB that the regex characters "^" and "$" ought to match at the beginning and the end of lines respectively, not just the beginning and end of the entire page. In some programming contexts this is referred to ...
Regex — AWB Regex help; Singleline — Changes meaning of "." so it matches all characters, as opposed to all apart from newlines; Case sensitive — Enables case sensitivity; Multiline — Changes meaning of "^" and "$" so they represent the beginning and end respectively of every line, rather than just of the entire string; Ignore ...
Boyer–Moore string-search algorithm; agrep, an approximate string-matching command; find (Windows) or Findstr, a DOS and Windows command that performs text searches, similar to a simple grep; find (Unix), a Unix command that finds files by attribute, very different from grep; List of Unix commands; vgrep, or "visual grep" ngrep, the network grep