1 | (function (Prism) {
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2 |
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3 | var specialEscape = {
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4 | pattern: /\\[\\(){}[\]^$+*?|.]/,
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5 | alias: 'escape'
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6 | };
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7 | var escape = /\\(?:x[\da-fA-F]{2}|u[\da-fA-F]{4}|u\{[\da-fA-F]+\}|c[a-zA-Z]|0[0-7]{0,2}|[123][0-7]{2}|.)/
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8 | var charClass = /\\[wsd]|\.|\\p{[^{}]+}/i
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9 |
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10 | var rangeChar = '(?:[^\\\\-]|' + escape.source + ')';
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11 | var range = RegExp(rangeChar + '-' + rangeChar);
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12 |
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13 |
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14 | var groupName = {
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15 | pattern: /(<|')[^<>']+(?=[>']$)/,
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16 | lookbehind: true,
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17 | alias: 'variable'
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18 | };
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19 |
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20 | var backreference = [
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21 | /\\(?![123][0-7]{2})[1-9]/,
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22 | {
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23 | pattern: /\\k<[^<>']+>/,
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24 | inside: {
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25 | 'group-name': groupName
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26 | }
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27 | }
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28 | ];
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29 |
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30 | Prism.languages.regex = {
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31 | 'charset': {
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32 | pattern: /((?:^|[^\\])(?:\\\\)*)\[(?:[^\\\]]|\\[\s\S])*\]/,
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33 | lookbehind: true,
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34 | inside: {
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35 | 'charset-negation': {
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36 | pattern: /(^\[)\^/,
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37 | lookbehind: true,
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38 | },
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39 | 'charset-punctuation': /^\[|\]$/,
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40 | 'range': {
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41 | pattern: range,
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42 | inside: {
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43 | 'escape': escape,
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44 | 'range-punctuation': /-/
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45 | }
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46 | },
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47 | 'special-escape': specialEscape,
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48 | 'charclass': charClass,
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49 | 'backreference': backreference,
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50 | 'escape': escape
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51 | }
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52 | },
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53 | 'special-escape': specialEscape,
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54 | 'charclass': charClass,
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55 | 'backreference': backreference,
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56 | 'anchor': /[$^]|\\[ABbGZz]/,
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57 | 'escape': escape,
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58 | 'group': [
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59 | {
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60 |
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61 |
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62 |
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63 |
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64 | pattern: /\((?:\?(?:<[^<>']+>|'[^<>']+'|[>:]|<?[=!]|[idmnsuxU]+(?:-[idmnsuxU]+)?:?))?/,
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65 | inside: {
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66 | 'group-name': groupName
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67 | }
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68 | },
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69 | /\)/
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70 | ],
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71 | 'quantifier': /[+*?]|\{(?:\d+,?\d*)\}/,
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72 | 'alternation': /\|/
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73 | };
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74 |
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75 |
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76 | [
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77 | 'actionscript',
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78 | 'coffescript',
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79 | 'flow',
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80 | 'javascript',
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81 | 'typescript',
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82 | 'vala'
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83 | ].forEach(function (lang) {
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84 | var grammar = Prism.languages[lang];
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85 | if (grammar) {
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86 | grammar['regex'].inside = {
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87 | 'regex-flags': /[a-z]+$/,
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88 | 'regex-delimiter': /^\/|\/$/,
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89 | 'language-regex': {
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90 | pattern: /[\s\S]+/,
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91 | inside: Prism.languages.regex
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92 | }
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93 | };
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94 | }
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95 | });
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96 |
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97 | }(Prism))
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