RegexEngine

Matches texts with regular expressions. Similar to re.search() in python.

Description

• Takes text and a regular expression as input
• If matched, returns <1, start_index, end_index>
• If not matched, returns <0>

Usage

Compilation

gcc re_engine.c -o re_engine

Execution

Example of an input file is given below:

Hello there. This is a sample text for the input. abcd9
12
the
abc[a-z][0-9]
9+a+
.*e.*e
.*
.*?
\w+e.*e
\w+e\w*e
\w*s.*\d
[a-zA-zBBCD9]*?\w*x.*\d
3?\d?
Hello.*is\w*?

./re_engine < input_files/sample_inp