The tool {x} will match exactly repetitions of character/character class/groups.

For Example:

w{3} : It will match the character w exactly times.
[xyz]{5} : It will match the string of length consisting of characters {x, y, z}. For example it will match xxxxx, xxxyy and xyxyz.
\d{4} : It will match any digit exactly times.

Task

You have a test string .
Your task is to write a regex that will match using the following conditions:

• must be of length equal to 45.
• The first characters should consist of letters(both lowercase and uppercase), or of even digits.
• The last characters should consist of odd digits or whitespace characters.

Note

This is a regex only challenge. You are not required to write any code.
You have to fill the regex pattern in the blank (_________).