 |  |
| |
The dot (.) is one of those special metacharacters. By itself it will match any character except the end-of-line character. The pattern that will match a line with any single character is ^.$.
-- BB
|  | |
| 32.6. Regular Expressions: Matching a Character with a Character Set |  | 32.8. Regular Expressions: Specifying a Range of Characters with [...] |
Copyright © 2003 O'Reilly & Associates. All rights reserved.