Ekspresi Regular

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Panduan belajar ekspresi regular

Pengantar

Quick Start

Text Patterns and Matches

Literal Characters

Character Classes or Character Sets

Shorthand Character Classes

Non-Printable Characters

The Dot Matches (Almost) Any Character

Anchors

Alternation

Repetition

Greedy and Lazy Repetition

Grouping and Backreferences

Unicode Properties

Lookaround

Mari Bermain !

Quick Tips

Text Mentah: 

       1399 | 121112100653_artifact.txt
       1452 | 121112103236_artifact.txt
       1478 | 121112101109_artifact.txt

Tantangan: Temukan pola semua karakter sebelum angka 1211

Jawab: 

^\s*[0-9]*\s|\s

Referensi

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