php - Regex - First 6 characters must be digits and be in range (x, y) -

i have little question :) need regex string -- 6 characters, example "112233abc" regex should first 6 characters digits, , in range 100000-200000 (higher 100 000 , lower 200 000)

thank you.

there isn't question thats 1. 2. try this:

^[1]\d{5} 

or if want match 200000:

(^[1]\d{5}|^200000)