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Pattern
(\:?\d){2}
Input
12
:25
:21
12:25:21
Options
Ignore Case
Ignore Whitespace
Explicit Capture
Culture Invariant
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ECMA Script
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Regex Info
Table
Context
Split List
3
matches found in about
1
millisecond.
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Permalink
Index
Position
Matched String
$1
0
0
12
2
2 captures
1
2
1
2
:25
5
2 captures
:2
5
2
5
:21
1
2 captures
:2
1
12
:25
:21
empty string
2
empty string
5
empty string
1
empty string