Choose the match for each given basic regular expression

1. Java|C

a) Java

b) C

c) Java|C

d) JAVA

e) java|c

2. [^o]*

a) amazon

b) twitter

c) google

d) facebook

e) none of above

3. class{.*}

a) class class class

b) class {int a=0}

c) class a

d) class int a=0;

e) None of above