This tool (\1 references the first capturing group) matches the same text as previously matched by the capturing group.

For Example:

(\d)\1: It can match 00, 11, 22, 33, 44, 55, 66, 77, 88 or 99.

Task

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

• must be of length: 20
• character: lowercase letter.
• character: word character.
• character: whitespace character.
• character: non word character.
• character: digit.
• character: non digit.
• character: uppercase letter.
• character: letter (either lowercase or uppercase).
• character: vowel (a, e, i , o , u, A, E, I, O or U).
• character: non whitespace character.
• character: should be same as 1st character.
• character: should be same as 2nd character.
• character: should be same as 3rd character.
• character: should be same as 4th character.
• character: should be same as 5th character.
• character: should be same as 6th character.
• character: should be same as 7th character.
• character: should be same as 8th character.
• character: should be same as 9th character.
• character: should be same as 10th character.

Note

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