Regular Expression

Question 1

regex chars

match any single character

Answer 1

.

Question 2

regex chars

match an optional item only once

Answer 2

?

Question 3

regex chars

match 0 to n chars in string

Answer 3

*

Question 4

regex chars

items MUST be matched at lease once but can be matched more

Answer 4

+

Question 5

regex chars

match # of times

Answer 5

#

Question 6

regex chars

match # of times or more

Answer 6

,

Question 7

regex chars

match between the first and second number

Answer 7

,

Question 8

regex chars

words that start with what comes after

Answer 8

<

Question 9

regex chars

words that start with what comes after

Question 10

regex chars

words that end with what comes after

Answer 10

>

Question 11

regex chars

words that end with what comes after

Answer 11

$

Question 12

regex chars

words that contain either ‘a’ or ‘A’

Answer 12

[aA]

Question 13

regex chars

words that do NOT contain the letter

Answer 13

[^o]