Download - The Bastards Book of Regular Expressions

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From Data to HTML (TODO) 127Stripping style from tagsMicrosoft Word comes with a feature to turn a .doc file into .html. However, the translation isimperfect for a lot of real-life use cases.For example, Word will specify the style of each element on the page, such as the font-color andsize. When you’re working with someone who had to type their blog post in Word, but you need itto have the styles of the blog, you have to remove the Word-inserted style.Here’s an example of Word-generated HTML:(todo)Tabular data to HTML tablesTurning an Excel spreadsheet to HTML tablesMocking full web pages from dataVisualizationsSimple transformations
The ExercisesI’ve never been one to to expand my mind. And regular expressions, in my opinion, are just aboutthe least fun thing you could learn “just for the fun of it”.To me, the “fun” part is using them. OK, maybe “fun” isn’t the word…the “satisfying” part of regexesis using them to avoid really, really tedious work. And in some cases, to enable fun outputs.So if you skimmed through the regex syntax lessons, go ahead and browse the stand alone exercises.Some of these scenarios are contrived, while some are variations of real-world data journalismproblems I’ve run into.128
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The Bastards Book ofRegular Express
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CONTENTSOptionality and alternation
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CONTENTSSwitching visualizations (T
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Regular Expressions are for Everyon
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Regular Expressions are for Everyon
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Getting Started6
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Finding a proper text editor 8Notep
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Finding a proper text editor 10Edit
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Finding a proper text editor 12Text
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Finding a proper text editor 14does
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Finding a proper text editor 16Yest
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Finding a proper text editor 18A do
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A better Find-and-Replace 20The lim
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A better Find-and-Replace 22Using R
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Your first regex 24helloThe Find-an
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Your first regex 26The regex syntax
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Your first regex 28Double-bounded
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Your first regex 30AnswerFind \bcat
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Removing emptinessIt’s funny how
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Removing emptiness 34Now let’s do
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Removing emptiness 36…as opposed
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Removing emptiness 38Replacement in
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Match one-or-more with the plus sig
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Match zero-or-more with the star si
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Specific and limited repetition 501
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Specific and limited repetition 52E
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Specific and limited repetition 54C
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Anchors: A way to trim emptinessIn
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Anchors: A way to trim emptiness 58
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Matching any letter, any number 64A
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Matching any letter, any number 66W
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Matching any letter, any number 68[
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Matching any letter, any number 70R
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Matching any letter, any number 72F
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Matching any letter, any number 74A
Page 83 and 84: Negative character sets 76$1,200.00
Page 85 and 86: Negative character sets 78\W+Exerci
Page 87 and 88: Capture, Reuse 80Find (ba)+Matches
Page 89 and 90: Capture, Reuse 82.- then the 1st ba
Page 91 and 92: Capture, Reuse 84In English We are
Page 93 and 94: Capture, Reuse 86ApplesOraclesOrang
Page 95 and 96: Capture, Reuse 8805-14-8912-03-9803
Page 97 and 98: Capture, Reuse 90Mary asked: "What
Page 99 and 100: Optionality and alternationThe two
Page 101 and 102: Optionality and alternation 94Answe
Page 103 and 104: Optionality and alternation 96Studi
Page 105 and 106: Optionality and alternation 98You m
Page 107 and 108: Laziness and greediness 100Being to
Page 109 and 110: Laziness and greediness 102Replace
Page 111 and 112: Laziness and greediness 104With the
Page 113 and 114: Lookarounds 106cat(?=s)- will match
Page 115 and 116: Lookarounds 108`(?
Page 117 and 118: Lookarounds 110ExerciseGiven the fo
Page 119 and 120: Lookarounds 112City,CountryAlbuquer
Page 121 and 122: Lookarounds 114Given this list of c
Page 123 and 124: Lookarounds 116100,J.D. Salinger Av
Page 125 and 126: Lookarounds 1186,300|Apples|New Yor
Page 127 and 128: Lookarounds 120^(\d+) Record ID (\w
Page 129 and 130: Lookarounds 122d. Remove all asides
Page 131 and 132: From Data to HTML (TODO)This chapte
Page 133: From Data to HTML (TODO) 126Turning
Page 137 and 138: Data Cleaning with the Stars 130LOR
Page 139 and 140: Data Cleaning with the Stars 132[GM
Page 141 and 142: Finding needles in haystacks (TODO)
Page 143 and 144: Changing phone format (TODO)Todo: T
Page 145 and 146: Changing phone format (TODO) 138Exe
Page 147 and 148: Changing phone format (TODO) 140Ans
Page 149 and 150: Changing phone format (TODO) 142`1-
Page 151 and 152: Changing phone format (TODO) 144(\d
Page 153 and 154: Dating, Associated Press Style (TOD
Page 161 and 162: Sorting a police blotter 154Sloppy
Page 163 and 164: Sorting a police blotter 156I used
Page 165 and 166: Converting XML to tab-delimited dat
Page 167 and 168: Converting XML to tab-delimited dat
Page 169 and 170: Cleaning up Microsoft Word HTML(TOD
Page 171 and 172: Cleaning up OCR Text (TODO)Image sc
Page 173 and 174: Moving forwardThank you for taking
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