What would be a better way to filter out non-hexadecimal characters from a string?
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Check a string to see if all characters are hexadecimal values
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How do I remove all specific characters at the end of a string in PHP?
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How to detect the character encoding of a text file?
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How to prevent non-alphanumeric input in javascript?
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
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How to get the last characters in a String in Java, regardless of String size
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How can I remove a character from a string using JavaScript?
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Get Index of First non-Whitespace Character in C# String
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Regular expressions match floating point number but not integer
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How can one represent a string pattern with prohibited substrings?
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How to remove certain characters from a string in C++?
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Remove all special characters from a string
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Remove everything except letters from PHP string
152391
Remove characters from NSString?
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How to get character array from a string?
101221
How do I remove all non alphanumeric characters from a string except dash?
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How to strip all non-alphabetic characters from string in SQL Server?