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Pattern
\G([^\s@])[^\s@](?=[^\s@]*@[^\s@]+(?!\S))
Input
us
er
na
me
1@example.com
username1@example.com
Options
Ignore Case
Ignore Whitespace
Explicit Capture
Culture Invariant
Singleline
Multiline
Right To Left
ECMA Script
Start from position:
Max matches to find:
Replacement
Replace matches with...
$1*
Click the
context
tab to see replacements.
Regex Info
Table
Context
Split List
4
matches found in about
0
milliseconds.
Show Permalink
Permalink
Index
Position
Matched String
Replacement
$1
0
0
us
u*
u
1
2
er
e*
e
2
4
na
n*
n
3
6
me
m*
m
u*
e*
n*
m*
1@example.com
empty string
u
empty string
e
empty string
n
empty string
m
1@example.com
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