Regular Expressions
This is a standard Regular Expressions (RegExp, RE).
They are realized in almost all languages like C, Perl, Python, PHP, Ruby and others.
Some times some such expressions called "Perl-like" as they were popularized within Perl at first.
AFANASY uses this expressions in hosts mask, depend masks, farm setup and other patterns.
A simple dialog to check regular expressions provided with CGRU.
Examples
| Expression |
Some Matched Names |
Description |
r1|r7|r12 |
r1 r7 r12 |
Only specified machines, "|" - means "or". |
| r1. |
r11-r19 r1a-r1z |
Names starts with "r" plus one any character, "." - means any (one) character. |
| r.* |
r0 r1 rN rnd roman ... |
All computers which name starts with "r", "*" - means any number or characters. |
r1.* |
r1 r10 r11 r102 r1asd ... |
All computers which name starts with "r1" |
r1[178] |
r11 r17 r18 |
Only specified machines, [1 or 7 or 8] |
r1[1-5] |
r11 r12 r13 r14 r15 |
Only specified machines, [from 1 to 5] |
r0.|r1[1-5] |
r00-r09 r11-r15 |
All r0# and from r11 to r15 |
Detailed documentation, examples, constructors and testers:
Russian:
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