Currently the regex evaluates if a variable name has 2 letters.
before: The first square brackets test if the name starts with a letter, so we have 1 character. The second square brackets test if there are 1-64 alpha_numerical characters. The in sum 2..65.
after: The first square brackets test if the name starts with a letter, so we have 1 character. The second square brackets test if there are 0-63 alpha_numerical characters. The in sum 1..64.
Currently the regex evaluates if a variable name has 2 letters.
before: The first square brackets test if the
name
starts with a letter, so we have 1 character. The second square brackets test if there are 1-64 alpha_numerical characters. The in sum 2..65. after: The first square brackets test if thename
starts with a letter, so we have 1 character. The second square brackets test if there are 0-63 alpha_numerical characters. The in sum 1..64.