This is a general index of all issues discussed in this manual, with the
exception of the grep commands and command-line options.
|  | Index Entry | Section | 
|---|
| 
 | 
| A |  |  | 
|---|
|  | after context | 2.1 GNU Extensions | 
|  | alphabetic characters | 5.1 Character Class | 
|  | alphanumeric characters | 5.1 Character Class | 
|  | anchoring | 5.3 Anchoring | 
|  | asterisk | 5. Regular Expressions | 
| 
 | 
| B |  |  | 
|---|
|  | back-reference | 5.4 Back-reference | 
|  | backslash | 5.2 Backslash Character | 
|  | basic regular expressions | 5.5 Basic vs Extended | 
|  | before context | 2.1 GNU Extensions | 
|  | binary files | 2.1 GNU Extensions | 
|  | binary files | 2.1 GNU Extensions | 
|  | binary files, DOS/Windows | 2.1 GNU Extensions | 
|  | blank characters | 5.1 Character Class | 
|  | braces, one argument | 5. Regular Expressions | 
|  | braces, second argument omitted | 5. Regular Expressions | 
|  | braces, two arguments | 5. Regular Expressions | 
|  | bracket expression | 5.1 Character Class | 
|  | Bugs, reporting | 7. Reporting bugs | 
|  | byte offset | 2.1 GNU Extensions | 
|  | byte offsets, on DOS/Windows | 2.1 GNU Extensions | 
| 
 | 
| C |  |  | 
|---|
|  | case insensitive search | 2. Invoking grep | 
|  | case insensitive search, obsolete option | 2.1 GNU Extensions | 
|  | changing name of standard input | 2.1 GNU Extensions | 
|  | character class | 5.1 Character Class | 
|  | character classes | 5.1 Character Class | 
|  | character type | 2.2 Environment Variables | 
|  | character type | 2.2 Environment Variables | 
|  | classes of characters | 5.1 Character Class | 
|  | context | 2.1 GNU Extensions | 
|  | context lines, after match | 2.1 GNU Extensions | 
|  | context lines, before match | 2.1 GNU Extensions | 
|  | control characters | 5.1 Character Class | 
|  | Copying | 8. Copying | 
|  | counting lines | 2. Invoking grep | 
| 
 | 
| D |  |  | 
|---|
|  | default options environment variable | 2.2 Environment Variables | 
|  | device search | 2.1 GNU Extensions | 
|  | digit characters | 5.1 Character Class | 
|  | directory search | 2.1 GNU Extensions | 
|  | DOS byte offsets | 2.1 GNU Extensions | 
|  | DOS/Windows binary files | 2.1 GNU Extensions | 
|  | dot | 5. Regular Expressions | 
| 
 | 
| E |  |  | 
|---|
|  | environment variables | 2.2 Environment Variables | 
|  | exclude files | 2.1 GNU Extensions | 
| 
 | 
| F |  |  | 
|---|
|  | FAQ about grepusage | 6. Usage | 
|  | FDL, GNU Free Documentation License | 8.2 GNU Free Documentation License | 
|  | files which don't match | 2.1 GNU Extensions | 
| 
 | 
| G |  |  | 
|---|
|  | GPL, GNU General Public License | 8.1 GNU General Public License | 
|  | graphic characters | 5.1 Character Class | 
| 
 | 
| H |  |  | 
|---|
|  | hexadecimal digits | 5.1 Character Class | 
|  | highlight markers | 2.2 Environment Variables | 
|  | highlight, color, colour | 2.1 GNU Extensions | 
| 
 | 
| I |  |  | 
|---|
|  | include files | 2.1 GNU Extensions | 
|  | interval specifications | 5.5 Basic vs Extended | 
|  | invert matching | 2. Invoking grep | 
| 
 | 
| L |  |  | 
|---|
|  | language of messages | 2.2 Environment Variables | 
|  | line buffering | 2.1 GNU Extensions | 
|  | line numbering | 2. Invoking grep | 
|  | lower-case letters | 5.1 Character Class | 
| 
 | 
| M |  |  | 
|---|
|  | match sub-expression at most once | 5. Regular Expressions | 
|  | match sub-expression n or more times | 5. Regular Expressions | 
|  | match sub-expression n times | 5. Regular Expressions | 
|  | match sub-expression zero or more times | 5. Regular Expressions | 
|  | match the whole line | 2. Invoking grep | 
|  | matching basic regular expressions | 4. grepprograms | 
|  | matching extended regular expressions | 4. grepprograms | 
|  | matching fixed strings | 4. grepprograms | 
|  | matching Perl regular expressions | 4. grepprograms | 
|  | matching whole words | 2.1 GNU Extensions | 
|  | max-count | 2.1 GNU Extensions | 
|  | memory mapped input | 2.1 GNU Extensions | 
|  | message language | 2.2 Environment Variables | 
| 
 | 
| N |  |  | 
|---|
|  | names of matching files | 2. Invoking grep | 
|  | national language support | 2.2 Environment Variables | 
|  | national language support | 2.2 Environment Variables | 
|  | national language support | 2.2 Environment Variables | 
|  | NLS | 2.2 Environment Variables | 
|  | NLS | 2.2 Environment Variables | 
|  | NLS | 2.2 Environment Variables | 
|  | no filename prefix | 2.1 GNU Extensions | 
|  | no warranty | Preamble | 
|  | numeric characters | 5.1 Character Class | 
| 
 | 
| O |  |  | 
|---|
|  | only matching | 2. Invoking grep | 
| 
 | 
| P |  |  | 
|---|
|  | palindromes | 6. Usage | 
|  | pattern from file | 2. Invoking grep | 
|  | pattern list | 2. Invoking grep | 
|  | period | 5. Regular Expressions | 
|  | plus sign | 5. Regular Expressions | 
|  | print non-matching lines | 2. Invoking grep | 
|  | printable characters | 5.1 Character Class | 
|  | punctuation characters | 5.1 Character Class | 
| 
 | 
| Q |  |  | 
|---|
|  | question mark | 5. Regular Expressions | 
|  | quiet, silent | 2. Invoking grep | 
| 
 | 
| R |  |  | 
|---|
|  | range expression | 5.1 Character Class | 
|  | recursive search | 2.1 GNU Extensions | 
|  | regular expressions | 5. Regular Expressions | 
| 
 | 
| S |  |  | 
|---|
|  | searching directory trees | 2.1 GNU Extensions | 
|  | searching directory trees | 2.1 GNU Extensions | 
|  | searching directory trees | 2.1 GNU Extensions | 
|  | Searching for a pattern. | 1. Introduction | 
|  | space characters | 5.1 Character Class | 
|  | suppress binary data | 2.1 GNU Extensions | 
|  | suppress error messages | 2. Invoking grep | 
| 
 |