#!/bin/bash
# resources
# https://www.sentinelone.com/blog/search-your-files-with-grep-and-regex/
# https://jex.im/regulex/#!flags=&re=%5E(a%7Cb)*%3F%24
# https://regex101.com/r/8NLngW/1
# https://www.cyberciti.biz/faq/grep-regular-expressions/
# Also you can always ask ChatGPT for specifics

# regex101 flavor:
#                   /\[.*(?!^$)([^\s]).*\]/gm

clang-format ./program.c | grep -E '^[^\/\/]*\[[^]]+\]'

echo '------------------------------'

clang-format ./program.c | grep -E '^[^/]*\[[^]]+\][^/]*$'

echo '------------------------------'

clang-format ./program.c | grep -E '^[^/]*[^[:alnum:]_]\[[^]]+\][^[:alnum:]_]'