Regular Expressions 101

I love the literal text I love (case sensitive)

Group 1(cat|dog[s])

1st Alternativecat

catthe literal text cat (case sensitive)

2nd Alternativedog[s]

dogthe literal text dog (case sensitive)

Character Class[s]

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

I love (cat|dog[s])

New

# or(|)(或)： / cat|dog /

#下方為測試文字區塊
I love cat.
I love cats.
I love dog.
I love dogs.

＃解釋：藍色部分就是透過規則/I love (cat|dog[s])/所配對成功的文字。

# or(|)(或)： / cat|dog /

#下方為測試文字區塊
I love cat.
I love cats.
I love dog.
I love dogs.

＃解釋：藍色部分就是透過規則/I love (cat|dog[s])/所配對成功的文字。