Grep Essentials: Character Classes — PickAClass
⏱ 2h 30m 📚 25 lessons

Grep Essentials: Character Classes

This course teaches beginners how to use grep with bracket expressions to find specific character types in text.

  • 💬 AI instructor
    Ask about any lesson and get a clear answer instantly, anytime.
  • 🕐 Start anytime
    No schedules or deadlines — learn at your own pace, whenever suits you.
  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Do you need to quickly locate specific types of characters within large text files? Efficiently searching and filtering text is a fundamental skill for anyone working with command-line tools or code. By the end of this course, you will be able to construct precise search patterns using grep's character classes, enabling you to extract exactly the information you need from any text-based data. What you'll learn: * Learn the fundamental concepts of pattern matching and regular expressions * Understand how to use grep for basic text searching in the command line * Apply bracket expressions to define character classes like alphabetic, numeric, and alphanumeric * Practice combining character classes and ranges for complex pattern matching * Understand different regular expression syntaxes and when to use them with grep * Configure grep options for case-insensitive searches and inverted matches * Apply best practices for writing readable and efficient grep patterns The course begins with an introduction to pattern matching concepts, progresses through basic grep usage, and then dives into the specifics of bracket expressions and character classes. You will then explore advanced pattern combinations and practical grep options, concluding with exercises to solidify your understanding. This course is designed for absolute beginners with no prior experience in command-line tools or pattern matching. No prior knowledge of programming or advanced text processing is required. Start reading today to unlock the power of precise text searching with grep.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    2h 30m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Grep Essentials: Character Classes
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Grep Essentials: Character Classes
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews

No reviews yet — be the first to share your experience.

Write a review

You'll be asked to sign in after sending — your draft is saved.

Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

Built for learners in
Tech Design Finance Marketing Healthcare Education Hospitality Manufacturing