Regex Not Capturing Specific Log Messages in Python - Filtering by Log Level
I'm trying to extract log messages from a multi-line string using regex in Python, but I'm running into issues filtering by log level. The logs follow a specific format: `[INFO] Some informative message here`, `[WARNING] Something might be wrong`, and `[behavior] Something went wrong`. My goal is to capture only the `[behavior]` messages, but my current regex seems to match everything instead. I've tried the following regex pattern: ```python import re log_data = '''[INFO] Application started\n[WARNING] Low disk space\n[behavior] Disk I/O failure\n[INFO] Application shutting down''' pattern = r'\[behavior\].*' matches = re.findall(pattern, log_data) print(matches) ``` However, the output is not what I expect. It returns the entire line starting from `[behavior] Disk I/O failure` but also includes everything that follows on the same line, which is not what I want. The `.*` seems greedy and captures too much. I tried changing it to `.*?`, but that didn't seem to work either. Additionally, I want to ensure that I capture only complete log entries, so I need to make sure the regex stops at the end of the line or the next log entry. Is there a way to adjust my regex to accurately capture only the `[behavior]` messages and nothing else? I would appreciate any suggestions on how to refine this regex pattern to fit my needs. Thanks! I'm working in a Debian environment. Any feedback is welcome!