unary Plus
Append a string of characters to match in the regex. This function escapes the string before appending it to the regex, so it cannot add metacharacters.
See also
Append a single character to match in the regex. This function escapes the char before appending it to the regex, so it cannot add metacharacters.
See also
Append a custom regex token to match in the regex. DOES NOT escape metacharacters.
See also
Append a character set to match in the regex.
See also
Append a regex group to the regex.