What is a regular expression for any unicode character that visually resembles a letter o or letter O? I am not looking for European or non-European letters that sound like a letter O when pronounced aloud. We are seeking a list of characters with a only a visual resemblance to O (no auditory resemblance). Here […]

In programming languages such as LaTeX, there is more than one symbol for the empty set. What are the various unicode numbers for characters that look like a zero with a slash through the middle? regex unicode unicode-string unicode-escapes unicode-literals