$rsearch¶
Usage: $rsearch(text,pattern)
Category: text
Description:
Regular expression search. This function will return the first matching group specified by
pattern
from text
. For more information about regular expressions, please see the
article on Wikipedia.
Example:
The following statements will return the values indicated:
$rsearch(test \(disc 1\),\\\(disc \(\\d+\)\\\)) ==> "1"
$rsearch(test \(disc 1\),\\\(disc \\d+\\\)) ==> "(disc 1)"
$rsearch(test,x) ==> ""