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What is the best regular expression to check if a string is a valid URL?
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How can I parse JSON with C#?
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How do I handle newlines in JSON?
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(Built-in) way in JavaScript to check if a string is a valid number
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Retrieving JSON Object Literal from HttpServletRequest
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Validating user's UTF-8 name in Javascript
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Parse JSON in JavaScript?
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Equivalent of String.format in jQuery
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Help editing JSON to make an array rather than a 'dictionary'
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Validating URL in Java
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JSONException: Value of type java.lang.String cannot be converted to JSONObject
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Is my JavaScript validating enough?