Regular Expressions 101

Pro

DBthe literal text DB (case sensitive)

Group 1(1000|0[1-9]|[1-9]\d{0,2})

1st Alternative1000

1000the literal text 1000

2nd Alternative0[1-9]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

3rd Alternative[1-9]\d{0,2}

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d{0,2}a digit, repeated between 0 and 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

DBthe literal text DB (case sensitive)

Character Class[XBDW]

Xthe literal X (88₁₀ / 130₈ / 58₁₆) (case sensitive)

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case sensitive)

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case sensitive)

Wthe literal W (87₁₀ / 127₈ / 57₁₆) (case sensitive)

Group 2(1000|0[1-9]|[1-9]\d{0,2})

1st Alternative1000

1000the literal text 1000

2nd Alternative0[1-9]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

3rd Alternative[1-9]\d{0,2}

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

\d{0,2}a digit, repeated between 0 and 2 times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 3(0|10|[1-9])

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative10

10the literal text 10

3rd Alternative[1-9]

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

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

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

25 tokens

DB(1000|0[1-9]|[1-9]\d{0,2})\.DB[XBDW](1000|0[1-9]|[1-9]\d{0,2})\.(0|10|[1-9])

New

|"DB1.DBX1.0"|"DB1000.DBB1000.0"|"DB18.DBD4.0"|"DB99.DBW999.0"|

such that DB[1-1000].DB[X,B,D,W][1-1000.0-10]