c# - Regex Query for Iterating through a text file -

i have scenario in text file there multiple xml records other data well. wrote regex code in foreach in c# extract xml.below code.

foreach (match match in regex.matches(file.readalltext(file), @"<root>(?<sender>.*)</root>"))             {} 

the problem facing is not iterating on whole file picking few records.

is there wrong in regex or other problem there.

try this,

 foreach (match match in regex.matches(file.readalltext(file), @"<root>[.\s]*<\/root>"))             {}