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How do I apply URL normalization rules in PHP?
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PHP regex for validating a URL
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Parsing valid parent directories with regex
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How do I decode a URL parameter using C#?
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Regular expression that matches valid IPv6 addresses
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Replace URLs in text with HTML links
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How to check if a URL is valid
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php - clean URL
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Checking whole string with a regex
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Parsing domain from a URL
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C# regex pattern to extract urls from given string - not full html urls but bare links as well
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How to replace plain URLs with links?
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Regexp that matches valid regexps
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Case Insensitive URLs with mod_rewrite
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Using a C# regex to parse a domain name?
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URL rewriting-code for rewriting