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https://github.com/RGBCube/serenity
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LibJS: Actually escape \n|\r|LS|PS when escaping RegExp.source
We were previously encoding them as `\<literal newline>`, which is just all sorts of wrong :P
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1 changed files with 19 additions and 3 deletions
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@ -266,10 +266,26 @@ DeprecatedString RegExpObject::escape_regexp_pattern() const
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continue;
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}
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if (code_point == '\r' || code_point == LINE_SEPARATOR || code_point == PARAGRAPH_SEPARATOR || code_point == '/') {
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builder.append_code_point('\\');
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switch (code_point) {
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case '/':
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builder.append("\\/"sv);
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break;
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case '\n':
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builder.append("\\n"sv);
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break;
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case '\r':
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builder.append("\\r"sv);
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break;
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case LINE_SEPARATOR:
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builder.append("\\u2028"sv);
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break;
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case PARAGRAPH_SEPARATOR:
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builder.append("\\u2029"sv);
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break;
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default:
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builder.append_code_point(code_point);
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break;
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}
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builder.append_code_point(code_point);
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}
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return builder.to_deprecated_string();
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