Regex only allow letters and some characters

Question

I am attempting to create a regex that only allows letters upper or lowercase, and the characters of space, \'-\', \',\' \'.\', \'(\', and \')\'. This is what I have so far but

Answer 1

The  -, in [a-zA-Z -,.()] describes a range from   (0x20) to , (0x2C). And that is equivalent to [ !"#$%'()*+,]. You should either escape the - or place it somewhere else where it is not interpreted as a range indicator.

But that’s not the cause of this issue as the digits are from 0x30 to 0x39.