Extracting value from text

Hi Team,

From the below text i need to extract value which is in brackets

Example:(Input)

[STEP 1B: REVIEW]
Zhang, Jing
Milshteyn, Eugene

from the above text i need to extract which is in Square brackets

Output should be
STEP 1B: REVIEW

grafik
grafik

System.Text.RegularExpressions.Regex.Match(YourTextVar, "(?<=\[).*(?=\])").Value