Regular Expressions 101

\ban ASCII word boundary

AM19/0the literal text AM19/0 (case sensitive)

Negative Lookahead(?!803)

803the literal text 803

Character Class[678]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

\d{2}a digit, repeated exactly 2 times

\ban ASCII word boundary

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

\bAM19/0(?!803)[678]\d{2}\b

New

AM19/0601
AM19/0805
AM19/0803
AM19/0601,AM19/0602

AM19/0601
AM19/0805
AM19/0803
AM19/0601,AM19/0602