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Emphasize Unicode-aware features in Chapter 9
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‎05_higher_order.md‎

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@@ -202,6 +202,8 @@ There is a built-in array method, `forEach`, that provides something like a `for
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// → B
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```
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{{id scripts}}
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## Script data set
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One area where higher-order functions shine is data processing. To process data, we'll need some actual data. This chapter will use a ((data set)) about scripts—((writing system))s such as Latin, Cyrillic, or Arabic.

‎09_regexp.md‎

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‎code/solutions/09_1_regexp_golf.js‎

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@@ -12,21 +12,21 @@ verify(/ferr(et|y|ari)/,
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["ferret", "ferry", "ferrari"],
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["ferrum", "transfer A"]);
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verify(/ious\b/,
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verify(/ious($|\P{L})/u,
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["how delicious", "spacious room"],
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["ruinous", "consciousness"]);
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verify(/\s[.,:;]/,
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["bad punctuation ."],
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["escape the dot"]);
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verify(/\w{7}/,
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verify(/\p{L}{7}/u,
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["Siebentausenddreihundertzweiundzwanzig"],
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["no", "three small words"]);
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verify(/\b[^\We]+\b/i,
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verify(/(^|\P{L})[^\P{L}e]+($|\P{L})/i,
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["red platypus", "wobbling nest"],
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["earth bed", "learning ape", "BEET"]);
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["earth bed", "bedrøvet abe", "BEET"]);
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function verify(regexp, yes, no) {

‎code/solutions/09_2_quoting_style.js‎

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let text = "'I'm the cook,' he said, 'it's my job.'";
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console.log(text.replace(/(^|\W)'|'(\W|$)/g, '$1"$2'));
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console.log(text.replace(/(^|\P{L})'|'(\P{L}|$)/gu, '$1"$2'));
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// → "I'm the cook," he said, "it's my job."
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‎img/re_number.svg‎

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