What do ‘lazy’ and ‘greedy’ mean in the context of regular expressions?

Vu Nam Hung
Vu Nam Hung
Published in
1 min readAug 26, 2019
+-------------------+-----------------+----------------------------+
| Greedy quantifier | Lazy quantifier | Description |
+-------------------+-----------------+----------------------------+
| * | *? | Star Quantifier: 0 or more |
| + | +? | Plus Quantifier: 1 or more |
| ? | ?? | Optional Quantifier: 0 or 1 |
| {n} | {n}? | Quantifier: exactly n |
| {n,} | {n,}? | Quantifier: n or more |
| {n,m} | {n,m}? | Quantifier: between n and m |
+-------------------+-----------------+----------------------------+

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