Regular Expressions 101

^start of line

Group 1(.*[^0-9@\r\n].*@)

.*any Unicode character (except for line terminators), repeated any number of times

Negated Character Class[^0-9@\r\n]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

@the literal @ (64₁₀ / 100₈ / 40₁₆)

\ra carriage return (ASCII 13)

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

.*any Unicode character (except for line terminators), repeated any number of times

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(.*[^0-9@\r\n].*@)

New

1123
123.123
123_123
123@123.123
123@123.com
123@abc.com
123mbc@abc.com
123mbc@123abc.com
123mbc@123abc.123com
123mbc123@cc123abc.c123com