query: Pattern check returning false javascript/typescript
positive_passages.docid: 26784
positive_passages.text: JavaScript RegExp objects
negative_passages.docid: 92237
negative_passages.text: Shell test to find a pattern in a string
negative_passages.docid: 2559
negative_passages.text: Is there a regular expression to detect a valid regular expression?
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negative_passages.text: How do I check if an object has a specific property in JavaScript?
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negative_passages.text: How to check if a given Regex is valid?
negative_passages.docid: 36929
negative_passages.text: Why does comparing strings using either '==' or 'is' sometimes produce a different result?
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negative_passages.text: How to match case insensitive patterns with ls?
negative_passages.docid: 601
negative_passages.text: How do I test for an empty JavaScript object?
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negative_passages.text: C# RegEx: Ignore case... in pattern?
negative_passages.docid: 106583
negative_passages.text: Why does !new Boolean(false) equals false in JavaScript?
negative_passages.docid: 70566
negative_passages.text: How do I check if an object has a key in JavaScript?
negative_passages.docid: 14404
negative_passages.text: Functions vs. patterns
negative_passages.docid: 74109
negative_passages.text: How to verify in Javascript Object Model if a List Exists
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negative_passages.text: Pattern does not match with Orderless head
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negative_passages.text: How to determine if a string is a valid variable name?
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negative_passages.text: How to prevent different checksums for different typesets
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negative_passages.text: Can I determine if an argument is string literal?