Regex tester
Pattern
Input
[start:uniqueID:data1:data2:asdf]capture_stuff[/end:uniqueID]
Options
Replacement
Click the context tab to see replacements.
1 match found in about 6 milliseconds.
IndexPositionMatched String$1$2
00[start:uniqueID:data1:data2:asdf]capture_stuff[/end:uniqueID]uniqueIDcapture_stuff
[start:uniqueID:data1:data2:asdf]capture_stuff[/end:uniqueID]
  1. empty string
  2. uniqueID
  3. capture_stuff
  4. empty string