Checkout : http://www.fon.hum.uva.nl/praat/manual/Regular_expressions_1__Special_characters.html
1. finding link with “.gz>”
 – matches that character
* – till end of line
. – any character – counts only one.
[.gz] > – till it finds first “.gz>” in the line.
+ – the plus is the match-one-or-more quantifier.
actualy i dont need [a-z] two times and * would do, but anyway..