Phone Number Search

import re

fh = open("sample_phone_book.txt")

for line in fh:
    if re.search(r"J.*Neu",line):
        print(line.rstrip())
        
    if re.search(r"a*Neu",line):
        print(line.rstrip())
fh.close()

Allison Neu 555-8396
Cathy Neu 555-2362
Jack Neu 555-7666
Jack Neu 555-7666
Jeb Neu 555-5543
Jeb Neu 555-5543
Jennifer Neu 555-3652
Jennifer Neu 555-3652
Ken Neu 555-8752

Regex Tips

The special sequences consist of “\” and a character from the following list:

\d Matches any decimal digit; equivalent to the set [0-9].

\D The complement of \d. It matches any non-digit character; equivalent to the set [^0-9].

\s Matches any whitespace character; equivalent to [ \t\n\r\f\v].

\S The complement of \s. It matches any non-whitespace character; equiv. to [^ \t\n\r\f\v].

\w Matches any alphanumeric character; equivalent to [a-zA-Z0-9]. With LOCALE, it will match the set [a-zA-Z0-9] plus characters defined as letters for the current locale.

\W Matches the complement of \w.

\b Matches the empty string, but only at the start or end of a word.

\B Matches the empty string, but not at the start or end of a word.

\ Matches a literal backslash.