Re: Regex repeating capture
- From: Jim Gibson <jgibson@xxxxxxxxxxxxxxxxx>
- Date: Tue, 30 Jan 2007 09:43:30 -0800
In article <1170177214.014726.69240@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>, Jay
<JaythePCguy@xxxxxxxxx> wrote:
Howdy,
I'm trying to break an input string into multpile pieces using a
series of delimiters that start with an asterisk. Following the
asterisk is a mulitple character identifier immediately followed by a
data string of variable length. The input string may contain more than
one identifier anywhere in the string. In all, there are 50+
identifiers to search for and the asterisk is allowed to part of the
data string as long as it isn't defined as an identifier (it would be
treated as another identifier at that point).
Here is a simple example:
*CZ1 2.3 4-56 *fuuuS24364 08 23 72
I'd like to break this into
CZ
1 2.3 4-56
fuuu
S24364 08 23 72
I have tried the pattern (?:\*(CZ|fuuu)(.*)), which produces the
following ouput:
CZ
1 2.3 4-56 *fuuuS24364 08 23 72
How can I force it to repeat the capturing?
Use split and capture the delimiters:
$x = "*CZ1 2.3 4-56 *fuuuS24364 08 23 72";
@f = split( /(\*(?:CZ|fuuu))/, $x);
print join("\n",@f),"\n";
*CZ
1 2.3 4-56
*fuuu
S24364 08 23 72
See perldoc -f split
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