#include <Array.au3>
Dim $aText[4] = ['14.12(56)', '14.12', '14', '14,12+-15(44)']
;$sPattern = '(\d+)'
$sPattern = '\d+'
For $i = 0 To 3
$aResult = StringRegExp($aText[$i], $sPattern, 3)
If @error Then ContinueLoop
_ArrayDisplay($aResult, $aText[$i])
Next