Which command is commonly used in Linux for pattern matching using regular expressions?*1 pointa) regexb) grepc) rmatchd) find

What is the purpose of regular expressions in Linux?*1 pointa) Create symbolic linksb) Search and manipulate text patternsc) Set environment variablesd) Display file content

Linux commands( filters and regular expressions)

You are tasked with writing a Bash script that searches for specific text patterns within a directory containing thousands of files. The script needs to be efficient and fast. Which of the following commands should you use within your script?1.0 Marksfor file in $(ls /path/to/directory); do grep "pattern" $file; donefind /path/to/directory -type f -exec grep "pattern" {} \; grep -r "pattern" /path/to/directorycat /path/to/directory/* | grep "pattern"grep "pattern" /path/to/directory/*

Java Regex Finder Example

Which operator performs pattern matching ?