learning Regex with pattern matching -


i'm new regex. try build nsscanner using regex in ios 7 , parse string , data . try understand how regex , pattern matching work.
note: try deal 1 of cases: email ( name )

my friend suggests me try code. question how following regex accomplish that? 

  nsstring *someregexp = @".*[\\s]*\\({1}(.*)"

here testing examples:

// chang0002@student.tc.umn.edu (jeff chang) // mbuntan@staff.tc.umn.edu ()

this poor regex matching names/email addresses. assume have include more cases. regular expression finds pattern matching. checks 0 or more occurrences of character, followed 0 or more occurrence of space, followed 1 open parenthesis "(" 0 or more occurrences of string.


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