Regular Expressions 101

\ban ASCII word boundary

Character Class[2-9]

2-9one character from 2 (50₁₀) to 9 (57₁₀)

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\ban ASCII word boundary

Negative Lookbehind(?<!2000)

2000the literal text 2000

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.

Search reference

Regular Expression

\b[2-9][0-9]{3}\b(?<!2000)

New

TAAD, Türkiye Adalet Akademisi'nin 95. Kuruluş Yıl Dönümü Armağanı, y.78, S.179, Temmuz 2023, s.108-157
1999
2000
9999
2001
99999