IT 117: Intermediate Scripting - Answers to Class 12 Ungraded Quiz

IT 117: Intermediate to Scripting
Answers to Class 12 Ungraded Quiz

If you wanted to match the characters "ox" when they were not at the beginning of a string, what regular expression would you use?
```
.*ox
```
What meta-characters do you use to surround a part of a regular expression that you want to extract from the matched string?
```
( )
```
What method on a match object is used to extract the value of a string in a matched line using the meta-characters mentioned above?
```
group
```
What does the $ in a regular expression mean?
```
the end of a string
```
What does the | in a regular expression mean?
```
it is a logical or
```

What is a greedy match?

a match with the greatest number of characters

What regular expression would you write if you wanted to match ONE occurrence of either the character "x", or "y", or "z"?
```
[xyz]
```
What regular expression would you write if you wanted to match a SINGLE lowercase character?
```
[a-z]
```
What regular expression would you write if you wanted to match exactly 57 occurrences of the letter "X"
```
X{57}
```
What regular expression would you write if you wanted to match anywhere between 3 and 5 occurrences of the letter "q"?
```
q{3,5}
```