C# Text Manipulation Handbook
C# Text Manipulation Handbook
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Regular Expressions
Chapter 5
Page 156 ?US Tel No
\d-\d\d\d-\d\d\d-\d\d\d\d
Page 156?nbsp;US Date
[a-zA-Z][a-zA-Z][a-zA-Z] \d\d \d\d\d\d
Page 157?nbsp;US Date + Dashes
[a-z][a-z][a-z][ -]\d\d[ -]\d\d\d\d
Page 158?nbsp;Credit Card Number
^\d\d\d\d \d\d\d\d \d\d\d\d \d\d\d\d$
Page 159?nbsp;US Tel No Revisited
^\d-\d{3}-\d{3}-\d{4}$
Page 159?nbsp;US Date Revisited
^[a-zA-Z]{3}[ -]\d\d[ -]\d{4}$
Page 160?nbsp;Credit Card Number Revisited
^\d{4} ?\d{4} ?\d{4} ?\d{4}$
Page 161?nbsp;ISBN, Greedy
^(\d[- ]*){9}[\dxX]$
Page 164?nbsp;Lines of text, Greedy
^[\w\W]+$C
Page 165?nbsp;Lines of text, non-greedy
^[\w\W]+?$
Page 166?nbsp;ISBN, non-greedy
^(\d[-\s]*?){9}[\dxX]$
Chapter 6
Page 172?nbsp;HTML element name
<([a-zA-Z]\d?)>[^<]*</\1>
Page 173?nbsp;Capturing Group
([A-Z]{3})\d
Page 173?nbsp;Non-Capturing Group
(?:\d|[A-Z])\w
Page 174?nbsp;Capturing by Name
\b[A-Z][a-z]+ (?<lastName>[A-Z][a-z]+)\b
Page 174?nbsp;Title and Name (Capturing group)
(Mr|Mrs|Miss|Ms|Dr) [A-Z][a-z]*
Page 175?nbsp;Title and Name (Without a group)
Mr|Mrs|Miss|Ms|Dr [A-Z][a-z]*
Page 176?nbsp;Title and Name (Non-capturing group)
(?:Mr|Mrs|Miss|Ms|Dr) [A-Z][a-z]*
Page 176?nbsp;Title, Name, Optional Period
(?:Mr|Mrs|Miss|Ms|Dr)\.? [A-Z][a-z]*
Page 177?nbsp;Collecting Patterns
(\d\d)\s([A-Z][A-Z])
Page 178?nbsp;Named Pattern to Collect
(?<numberGroup>\d\d)\s(?<letterGroup>[A-Z][A-Z])
Page 178?nbsp;Non-Capturing Pattern
(?:\d\d)\s([A-Z][A-Z])
Page 180?nbsp;Capturing Surname, not Title
(?:Mr|Mrs|Miss|Ms|Dr) ([A-Z][a-z]*)
Page 181?nbsp;Explicit Capture
(Mr|Mrs|Miss|Ms|Dr) (?<lastName>[A-Z][a-z]*)
Page 184?nbsp;Named Substitution
(?<firstWord>\b[a-zA-Z]+\b)\s\k<firstWord>
Page 185?nbsp;Positive Look-ahead Assertion
\S+(?=\.NET)
Page 185?nbsp;Negative Look-ahead Assertion
\d{3}(?![A-Z])
Page 185?nbsp;Positive Look-behind Assertion
(?<=New )([A-Z][a-z]+)
Page 186?nbsp;Negative Look-behind Assertion
(?<!1)\d{2}[A-Z]
Page 186?nbsp;Non-backtracking Match
(?>.*)ing
Page 190?nbsp;Non-backtracking on Domain Names
www\.(?>[^.]*)\.com
Page 190?nbsp;Decision Making on Expressions
(?(\d)\dA|[A-Z]B)
Page 191?nbsp;Decision Making on Names
(?(\d)A|B)
Page 192?nbsp;Correct Named Decision Making
(?(\d)\dA|B)
Page 193?nbsp;Case Insensitive Group
(?i:[a-z])
Page 193?nbsp;Case Sensitive Group
(?-i:[a-z])
Page 193?nbsp;Multiple Options in a Group
(?n-i:[a-z])
Chapter 7
Page 202?nbsp;Floating Point Numbers
^(?:\+|-)?\d+(?:\.\d+)?$
Page 203?nbsp;Telephone Numbers
^(\+\d{1,3} ?)?(\(\d{1,5}\)|\d{1,5}) ?\d{3} ?\d{0,7}( (x|xtn|ext|extn|extension)?" \.? ?\d{1,5})?$
Page 206?nbsp;Postal Codes
^(\d{5}(-\d{4})?|"([a-z][a-z]\d\d?|[a-z]{2}\d[a-z]) ?\d[a-z][a-z])$
Page 208?nbsp;IP Addresses
^((1??\d{1,2}|2[0-4]\d|25[0-5])\.){3}(1??\d{1,2}|2[0-4]\d|25[0-5])$
Page 209?nbsp;Domain Name
^(([a-z]|#\d+?)([a-z0-9-]|#\d+?)*([a-z0-9]|#\d+?)\.)+([a-z]{2,4})$
Page 210?nbsp;Email Name
^(([^<>()\[\]\\.,;:@"\x00-\x20\x7F]|\\.)+|("""([^\x0A\x0D"\\]|\\\\)+"""))$
Page 210?nbsp;Email Address
^(?<person>([^<>()\[\]\\.,;:@"\x00-\x20\x7F]|\\.)+|("""([^\x0A\x0D"\\]|\\\\)+"""))@(?<domain>(([a-z]|#\d+?)([a-z0-9-]|#\d+?)*([a-z0-9]|#\d+?)\.)+([a-z]{2,4})|((1??\d{1,2}|2[0-4]\d|25[0-5])\.){3}(1??\d{1,2}|2[0-4]\d|25[0-5]))$
Page 222?nbsp;Matching HTML Tags
(<[a-z]+[^>]*>)|(</[a-z\d]+>)
Page 224?nbsp;Extracting HTML Tags
<(?<outertag>[a-z]+[\d]?)(?<attributes> [^>]*)*>(?<innerhtml>(<(?<innertag>[a-z]+[\d]?)[^>]*>.*?</\k<innertag>>|<[a-z]+[\d]?[^>]*>|(?>[^<]*))*(?=</\k<outertag>>))?