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czoselczosel
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Added support for Jexl (#2764)
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‎components.js

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‎components.json

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"title": "Java stack trace",
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"owner": "RunDevelopment"
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},
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"jexl": {
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"title": "Jexl",
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"owner": "czosel"
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},
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"jolie": {
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"title": "Jolie",
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"require": "clike",

‎components/prism-jexl.js

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Prism.languages.jexl = {
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'string': /(["'])(?:\\[\s\S]|(?!\1)[^\\])*\1/,
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'transform': {
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pattern: /(\|\s*)[a-zA-Zа-яА-Я_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$][a-zA-Zа-яА-Я0-9_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$]*/,
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alias: "function",
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lookbehind: true
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},
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'function': /[a-zA-Zа-яА-Я_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$][a-zA-Zа-яА-Я0-9_\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF$]*\s*(?=\()/,
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'number': /\b\d+(?:\.\d+)?\b|\B\.\d+\b/,
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'operator': /[<>!]=?|-|\+|&&|==|\|\|?|\/\/?|[?:*^%]/,
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'boolean': /\b(?:true|false)\b/,
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'keyword': /\bin\b/,
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'punctuation': /[{}[\](),.]/,
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};

‎components/prism-jexl.min.js

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‎examples/prism-jexl.html

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<h2>Full example</h2>
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<pre><code>
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[
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fun(1,2),
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{ obj: "1" }.obj,
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ctx|transform
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]|join(", ")
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</code></pre>

‎tests/languages/jexl/boolean_feature.test

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true
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false
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----------------------------------------------------
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[
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["boolean", "true"],
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["boolean", "false"]
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]
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----------------------------------------------------
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Checks for booleans.

‎tests/languages/jexl/function_feature.test

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foo()
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foo ()
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foo
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()
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foo . bar ()
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foo_bar()
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foo_bar ( )
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f42()
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_()
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$()
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ä()
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Ý()
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foo({ x: 1 })
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foo({ y: fun() })
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foo(bar())
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----------------------------------------------------
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[
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["function", "foo"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "foo "],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "foo\r\n"],
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["punctuation", "("],
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["punctuation", ")"],
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"\r\nfoo ",
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["punctuation", "."],
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["function", "bar "],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "foo_bar"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "foo_bar "],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "f42"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "_"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "$"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "ä"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "Ý"],
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["punctuation", "("],
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["punctuation", ")"],
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["function", "foo"],
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["punctuation", "("],
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["punctuation", "{"],
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" x",
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["operator", ":"],
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["number", "1"],
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["punctuation", "}"],
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["punctuation", ")"],
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["function", "foo"],
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["punctuation", "("],
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["punctuation", "{"],
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" y",
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["operator", ":"],
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["function", "fun"],
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["punctuation", "("],
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["punctuation", ")"],
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["punctuation", "}"],
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["punctuation", ")"],
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["function", "foo"],
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["punctuation", "("],
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["function", "bar"],
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["punctuation", "("],
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["punctuation", ")"],
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["punctuation", ")"]
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]
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----------------------------------------------------
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Checks for functions. Also checks for unicode characters in identifiers.

‎tests/languages/jexl/keyword_feature.test

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in
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"foo" in ["foo"]
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"f" in "foo"
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----------------------------------------------------
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[
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["keyword", "in"],
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["string", "\"foo\""],
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["keyword", "in"],
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["punctuation", "["],
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["string", "\"foo\""],
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["punctuation", "]"],
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["string", "\"f\""],
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["keyword", "in"],
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["string", "\"foo\""]
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]
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----------------------------------------------------
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Checks for all keywords.

‎tests/languages/jexl/number_feature.test

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42
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3.14159
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-5.7
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----------------------------------------------------
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[
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["number", "42"],
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["number", "3.14159"],
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["operator", "-"], ["number", "5.7"]
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]
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----------------------------------------------------
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Checks for integers and floats. Negative numbers are handled differently than in Jexl for simplicity: In Jexl, the minus sign in "-1" is parsed as an operator in "1-1" and as part of the number literal in ("-1").

‎tests/languages/jexl/operator_feature.test

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-
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+
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< <=
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> >=
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==
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! !=
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&& ||
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*
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/ //
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^
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? :
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%
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----------------------------------------------------
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[
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["operator", "-"],
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["operator", "+"],
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["operator", "<"], ["operator", "<="],
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["operator", ">"], ["operator", ">="],
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["operator", "=="],
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["operator", "!"], ["operator", "!="],
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["operator", "&&"], ["operator", "||"],
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["operator", "*"],
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["operator", "/"], ["operator", "//"],
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["operator", "^"],
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["operator", "?"], ["operator", ":"],
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["operator", "%"]
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]
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----------------------------------------------------
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Checks for all operators.

‎tests/languages/jexl/string_feature.test

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'a'
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'ä'
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'本'
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'À'
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'\''
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'""'
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'Hello,
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world!'
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"\n"
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"\""
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"Hello,
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world!"
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"日本語"
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----------------------------------------------------
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[
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["string", "'a'"],
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["string", "'ä'"],
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["string", "'本'"],
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["string", "'À'"],
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["string", "'\\''"],
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["string", "'\"\"'"],
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["string", "'Hello,\r\nworld!'"],
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["string", "\"\\n\""],
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["string", "\"\\\"\""],
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["string", "\"Hello,\r\nworld!\""],
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["string", "\"日本語\""]
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]
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----------------------------------------------------
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Jexl strings can contain special characters, and even linebreaks.

‎tests/languages/jexl/transform_feature.test

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"foo"|bar
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"foo"| bar
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"foo"
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|
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bar
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foo|Ý
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foo|bar()
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foo|bar(1,2)
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foo|bar(
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1,2
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)
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----------------------------------------------------
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[
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["string", "\"foo\""], ["operator", "|"], ["transform", "bar"],
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["string", "\"foo\""], ["operator", "|"], ["transform", "bar"],
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["string", "\"foo\""],
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["operator", "|"],
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["transform", "bar"],
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"\r\n\r\nfoo", ["operator", "|"], ["transform", "Ý"],
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"\r\n\r\nfoo",
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["operator", "|"],
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["transform", "bar"],
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["punctuation", "("],
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["punctuation", ")"],
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"\r\nfoo",
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["operator", "|"],
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["transform", "bar"],
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["punctuation", "("],
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["number", "1"],
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["punctuation", ","],
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["number", "2"],
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["punctuation", ")"],
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"\r\nfoo",
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["operator", "|"],
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["transform", "bar"],
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["punctuation", "("],
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["number", "1"],
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["punctuation", ","],
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["number", "2"],
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["punctuation", ")"]
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]
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----------------------------------------------------
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Checks for transforms. Transforms follow the same naming rules as functions.

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