Start(^) and End($) of the Line

Carret (^) and dollar($) represents start and end of a line respectively.

Regular expression '^cat' matches any line, that starts with string 'cat'.

Sample runs of Harness program.

Enter Regular Expression

^cat

Enter the string

cat

I found the text cat starting at index 0 Ending at index 3

Enter the string

cat is a cat

I found the text cat starting at index 0 Ending at index 3

Enter the string

cat is animal

I found the text cat starting at index 0 Ending at index 3

Enter the string

cattering

I found the text cat starting at index 0 Ending at index 3

Enter the string

mcat

java.lang.IllegalStateException: No match found

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