🦖 Tyrannosaurus Regex
Syntax Basics Island
Level 13: Mikaela
13 of 13
Parentheses: group patterns
Parentheses () are used to group patterns together. The pattern /[0-9]{5}(-[0-9]{4})?/ matches American ZIP™️ codes in both the old and new formats.
Mikaela likes to laugh.
/ /
✅ Should Match (0 / 4)
ha
hah
hahahaha
hahahahah
❌ Should not Match (0 / 4)
haaa
ahahah
ahhhhhh
ha ha ha