What are the non printable ascii characters?

Some of the most common non printable characters are carriage return, form feed, line feed, backspace, escape, horizontal tab and vertical tab. These might not have a visible shape but will have effects on the output. To further understand them, we have to look into ASCII table.

How do I remove all non printable characters in a string?

Instead use this to delete the non-printable characters 0-31 and 127: $string = preg_replace(‘/[-]/’, ”, $string); It works in ASCII and UTF-8 because both share the same control set range.

How do you display non-printing characters in Word?

To show non-printing characters in Word documents, click the “Home” tab in the Ribbon. Then click the “Show/Hide Non-Printing Characters” button within the “Paragraph” button group. To hide the display of the non-printing characters in your document, click the “Show/Hide Non-Printing Characters” button again.

What are non-printing characters in Microsoft word?

Non-printing characters or formatting marks are characters for content designing in word processors, which are not displayed at printing. It is also possible to customize their display on the monitor. The most common non-printable characters in word processors are pilcrow, space, non-breaking space, tab character etc.

How do I escape a regular expression in Perl?

Because backslash \ has special meaning in strings and regexes, if we would like to tell Perl that we really mean a backs-slash, we will have to “escape” it, by using the “escape character” which happens to be back-slash itself. So we need to write two back-slashes: \\.

Which function removes non-printable character from the data?

The CLEAN function
The CLEAN function can remove all of the non-printable characters from the cells.

How do I insert non printable text in Word?

This tip (8056) applies to Microsoft Word 2007, 2010, 2013, 2016, 2019, and Word in Microsoft 365….Using Non-Printing Notes

  1. Select the text you want hidden.
  2. Press Ctrl+D. Word displays the Font dialog box.
  3. Click on the Hidden check box.
  4. Click on OK.