Regular Expressions 101

Explanation

Pro

F Blocks:the literal text F Blocks: (case sensitive)

Character Class[\t ]+

+matches at least one character from the set below:

\ta tab character (ASCII 9)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 1(0x)?

?repeats the group contents below at most once:

0xthe literal text 0x (case sensitive)

Group 2([0-9a-f]+)

Character Class[0-9a-f]+

+matches at least one character from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Group 3(0x)?

?repeats the group contents below at most once:

0xthe literal text 0x (case sensitive)

Group 4([0-9a-f]+)

Character Class[0-9a-f]+

+matches at least one character from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

Character Class[ ]+

+matches at least one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

Group 5(0x)?

?repeats the group contents below at most once:

0xthe literal text 0x (case sensitive)

Group 6([0-9a-f]+)

Character Class[0-9a-f]+

+matches at least one character from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (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

F Blocks:[\t ]+(0x)?([0-9a-f]+)[ ]+(0x)?([0-9a-f]+)[ ]+(0x)?([0-9a-f]+)

New

Entry :  12300000
F Blocks:   00000020 0x00000000 0x000a1b00
S Blocks:   0x00100000 0x0000001c 0x00000150

Entry :  12300000
F Blocks:   00000020 0x00000000 0x000a1b00
S Blocks:   0x00100000 0x0000001c 0x00000150