Regular Expressions 101

Explanation

Pro

Group 1([A-Z0-9]{4})

Character Class[A-Z0-9]{4}

{4}matches exactly 4 characters from the set below:

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) 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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

([A-Z0-9]{4})

New

 ;   Message Number
    ;   |         Time Offset (ms)
    ;   |         |        Type
    ;   |         |        |        ID (hex)
    ;   |         |        |        |     Data Length
    ;   |         |        |        |     |   Data Bytes (hex) ...
    ;   |         |        |        |     |   |
    ;---+--   ----+----  --+--  ----+---  +  -+ -- -- -- -- -- -- --
         1)         2.0  Rx         0400  8  01 5A 01 57 01 D2 A6 02 
         2)         8.6  Rx         0500  8  02 C1 02 C9 02 BE 02 C2 
         3)        36.2  Rx         0401  8  01 58 01 59 01 01 01 01 
         4)        41.7  Rx         01C4  8  27 9C 64 8C 00 03 E8 08 
         5)        43.1  Rx         0501  8  02 C0 02 C1 02 C6 02 C0 
         6)        62.7  Rx         01C2  8  27 9C 60 90 00 0F 04 08