The Internet RFC/STD/FYI/BCP Archives Search facility provides you with the ability to preform two different kinds of text searches arcoss the entire RFC database and four other specific index searches.
Search Methods
- Search RFCs - Show References
- Search RFCs - Rank References
- Search RFC Index
- Search FYI Index
- Search STD Index
- Search BCP Index
Available Options
Formulating Queries
Search Methods
Search RFCs - Show References
Search RFCs - Show References is the default search available on many of the pages. It searches the RFCs for the string that you entered. It displays what it finds allowing you to quickly bring up the documents. This search option displays the references to the search string you entered. This allows you to review the encountered references without having to take the time to read each document. Below is a sample output of a Search RFCs - Show References search for the string "Megaco".
File name (modification date), and list of matched lines
1. rfc3015.html, ( Dec 1 2000)
- rfc3015 - Megaco Protocol 1.0
- Megaco Protocol Version 1.0
- * Defined in: Which Megaco descriptor the property is defined in.
- MegacopToken = ("MEGACO" / "!")
- Megaco protocol.
- All Megaco implementors must read the normative part of this document
- 125.125.125.111, and the MGC is 123.123.123.4. The default Megaco
- MEGACO/1 [124.124.124.222]
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [124.124.124.222]:55555
- MEGACO/1 [125.125.125.111]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [123.123.123.4]:55555
- MEGACO/1 [125.125.125.111]:55555
- MEGACO/1 [123.123.123.4]:55555
Limit of 30 matched lines per file exceeded...
2. std/std01.html, ( Oct 6 2000)
- -------- Megaco Errata 2886*
- -------- Megaco Protocol 0.8 2885*
3. rfc2897.html, ( Sep 2 2000)...
- A legal digit map as described in section 7.1.14 of the Megaco
- protocol [6] using the DTMF mappings associated with the Megaco
- DTMF Detection Package described in the Megaco protocol document
- in the Megaco protocol document [6].
- through "F" as defined in the DTMF Detection Package in the Megaco
- B. and J. Segers, "Megaco Protocol", RFC 2885, August 2000.
Search RFCs - Rank References
Rank References shows you the number of references found in a specific document that match the keywords you entered. For example, again using Megaco as the search keyword, the initial results would look like the following.
Search RFCs - Rank References
Rank # of References FAQ's Archive Name 1. 37 rfc2885.html 2. 36 rfc3015.html 3. 8 rfc2886.html .... ... ...
Search RFC Index
This type of search limits the search to the contents of the RFC index file.
Search FYI Index
This type of search limits the search to the contents of the FYI Index file.
Search STD Index
This type of search limits the search to the contents of the STD Index file.
Search BCP Index
This type of search limits the search to the contents of the BCP Index file.
Available Options
Search RFC Options
Note: These options only pertain to searching the RFC database (Search RFCs - ...) and not to the individual index file searches such as "Search RFC Index" or "Search FYI Index" or "Search STD Index" or "Search BCP Index".
Whole Word Match
Whole Word Match - on or off
Show Number of references
Show number of references per file Show 10 references per file Show 30 references per file Show 50 references per file Show 100 references per file Show All references per file
Misspellings Allowed
0 Misspellings Allowed - default 1 Misspellings Allowed 2 Misspellings Allowed 3 Misspellings Allowed 4 Misspellings Allowed
Total number of files returned
10 Total files returned 50 Total files returned - default 100 Total files returned 1000 Total files returned
Note: This option only applies when the "Search RFCs - Show References" search is selected.
Meta Character in search string
Enable/Disable Meta Character in search string
Formulating Queries
Overview
The simplest query is a single keyword, such as:
ediSearching for common words (like "computer" or "html") may take a lot of time.
It is often helpful to use more powerful queries. The following types of queries are supported:
The different types of queries (and how to use them) are discussed below.
- case-insensitive and case-sensitive queries;
- the ability to match parts of words, whole words, or multiple word phrases (like "resource discovery");
- Boolean (AND/OR) combinations of keywords;
- approximate matches (e.g., allowing spelling errors);
- structured queries (which allow you to constrain matches to certain fields);
- the ability to show matched lines or entire matching records (e.g., for citations);
- the ability to specify limits on the number of matches returned; and
- a limited form of regular expressions (e.g., allowing "wild card" expressions that match all words ending in a particular suffix).
The different options - case-sensitivity, approximate matching, the ability to show matched lines vs. entire matching records, and the ability to specify match count limits - can all be specified with buttons and menus on the search form.
Keyword searches can be combined using Boolean operators (AND and OR) to form complex queries. Lacking parentheses, logical operation precedence is based left to right. For multiple word phrases or regular expressions, you need to enclose the string in double quotes, e.g.,
"internet resource discovery" or "discov.*"
Examples
Simple keyword search query:
InternetThis query will return all indexed objects containing the word Internet.Boolean query:
Internet AND EDIThis query will return all indexed objects that contain both words anywhere in the object in any order.Phrase query:
"Internet Security"This query will return all indexed objects that contain Internet Security as a phrase. Notice that you need to put double quotes around the phrase.Boolean queries with phrases:
"Internet Security" AND Firewall
Submission Options
These checkboxes allow some control of the query specification and allow some control of presentation of the query return.
- Case insensitive:
- By selecting this checkbox the query will become case insensitive (lower case and upper case letters differ). Otherwise, the query will be case senstive. The default is case insensitive.
- Keywords match on word boundaries:
- By selecting this checkbox, keywords will match on word boundaries. Otherwise, a keyword will match part of a word (or phrase). For example, "network" will matching "networking", "sensitive" will match "insensitive", and "Arizona desert" will match "Arizona desertness". The default is to match keywords on word boundaries.
- Number of errors allowed:
- The search is allowed to contain a number of errors. An error is either a deletion, insertion, or substitution of a single character. The Best Match option will find the match(es) with the least number of errors. The default is 0 (zero) errors. Note: The previous three options do not apply to attribute names. Attribute names are always case insensitive and allow no errors.
Regular Expressions
Some types of regular expressions are supported by Glimpse. A regular expression search can be much slower that other searches. The following is a partial list of possible patterns. (For more details see the Glimpse manual pages.)
Regular expressions are currently limited to approximately 30 characters, not including meta characters. Regular expressions will generally not cross word boundaries (because only words are stored in the index). So, for example, "lin.*ing" will find "linking" or "flinching," but not "linear programming."
- ^joe will match "joe" at the beginning of a line.
- joe$ will match "joe" at the end of a line.
- [a-ho-z] matches any character between a and h or between o and z.
- . matches any single character except newline.
- c* matches zero or more occurrences of the character "c"
- .* matches any number of wild cards
- \* matches the character "*" (\ escapes any of the above special characters).
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