Write down the regular expression for the following\

3. Match any strings that begin and end with 11 , and in the middle is some number of 010

Exam 02: DON'T PANIC Part I: Regular Expressions (20 points) Read Regex Write Regex begin with 11 in the middle is some number of substrings 010 ends with 11

4. Match strings where the first and last letter is the same and there is at most 7 total characters. composed only of letters (a-z and A-Z) 7 total characters in length first and last are the same

5. Match any string of 1's and 0's that contain exactly one 0. composed only of 1 and 0 any number of characters exactly one 0 must be present