How to remove all non printable characters in a string?

How to remove all non printable characters in a string?

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ASCII Library for Creating "Pretty" Directory Trees?

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How to remove accents and turn letters into "plain" ASCII characters? [duplicate]

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Convert ASCII TO UTF-8 Encoding

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How do I keep whitespace formatting using PHP/HTML?

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How do I get the byte values of a string in PHP?

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How can I convert array of bytes to a string in PHP?

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Transliterate any convertible utf8 char into ascii equivalent

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Will [a-z] ever match accented characters in PREG/PCRE?

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What does the \x1a characters mean

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Convert ASCII to plaintext in PHP

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best way to detect number of SMS needed to send a text

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How to convert a string to ASCII value in PHP without ord()?

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Convert special character (i.e. Umlaut) to most likely representation in ascii [duplicate]

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Escape Regex Newline

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