The following expression shall find the numbers 20 to 29 but it has mistakes. Would you like to change it so it matches only the number from 20 to 29?
- 12
- 16
- 20
- 24
- 28
- 32
- 36
[20-29] means [20129], because regular expressions use digits and not numbers. [0-2] turns into [012].
Some steps before, you found the by putting the variable part into brackets [tT]. The fix part is outside of the brackets.
I added a 2 to the beginning of my regular expression.
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