regex101: PCRE (Legacy) Substitution Workspace

Pro

Group 1(\s4b\s[^\n]*\n[^\n]*\s)

\sany whitespace character

4bthe literal text 4b (case sensitive)

\sany whitespace character

Negated Character Class[^\n]*

*matches any number of characters outside the set below:

\na line-feed (newline) character (ASCII 10)

Negated Character Class[^\n]*

*matches any number of characters outside the set below:

\na line-feed (newline) character (ASCII 10)

\sany whitespace character

14the literal text 14

\ban ASCII word boundary

Group 2(\s*\n\S+\s+17\s)

\s*any whitespace character, repeated any number of times

\na line-feed (newline) character (ASCII 10)

\S+any non-whitespace character, repeated at least once

\s+any whitespace character, repeated at least once

17the literal text 17

\sany whitespace character

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

25 tokens

Regular Expression

(\s4b\s[^\n]*\n[^\n]*\s)14\b(\s*\n\S+\s+17\s)

New

0000  09 06 07 04 00 00 01 00 1d 03 4b 2c a1 2a 02 01   
0010  b7 09 01 47 30 22 a0 0a 80 08 33 04 03 92 22 14   
0020  17 f0 a1 0b 80 00 81 00 84 01 00 86 00 85 00 83   
0030  07 91 94 71 06 00 07 19

0000  09 06 07 04 00 00 01 00 2b 03 4b 27 a1 25 02 01   
0010  00 09 01 66 30 1d a0 0a 80 08 33 04 03 92 22 14   
0020  17 f0 a1 06 82 00 84 00 85 00 82 07 91 94 71 06   
0030  00 07 19

0000  09 06 07 04 00 00 01 00 2b 03 4b 27 a1 25 02 01
0010  00 09 01 66 30 1d a0 0a 80 08 33 04 03 92 22 10
0020  17 f0 a1 06 82 00 84 00 85 00 82 07 91 94 71 06
0030  00 07 19

Substitution

\125\2

0000  09 06 07 04 00 00 01 00 1d 03 4b 2c a1 2a 02 01   
0010  b7 09 01 47 30 22 a0 0a 80 08 33 04 03 92 22 14   
0020  17 f0 a1 0b 80 00 81 00 84 01 00 86 00 85 00 83   
0030  07 91 94 71 06 00 07 19

0000  09 06 07 04 00 00 01 00 2b 03 4b 27 a1 25 02 01   
0010  00 09 01 66 30 1d a0 0a 80 08 33 04 03 92 22 14   
0020  17 f0 a1 06 82 00 84 00 85 00 82 07 91 94 71 06   
0030  00 07 19

0000  09 06 07 04 00 00 01 00 2b 03 4b 27 a1 25 02 01
0010  00 09 01 66 30 1d a0 0a 80 08 33 04 03 92 22 10
0020  17 f0 a1 06 82 00 84 00 85 00 82 07 91 94 71 06
0030  00 07 19