Regular Expressions 101

Explanation
Pro

Non-Capturing Group(?:^|(?<=\s))

1st Alternative^

^start of line

2nd Alternative(?<=\s)

Positive Lookbehind(?<=\s)

\sany whitespace character

Positive Lookahead(?=\S*\d)

\S*any non-whitespace character, repeated any number of times

\da digit

Positive Lookahead(?=\S*(?!\s)\D)

\S*any non-whitespace character, repeated any number of times

Negative Lookahead(?!\s)

\sany whitespace character

\Dany character that's not a digit

\S+any non-whitespace character, repeated at least once

Positive Lookahead(?=\s|$)

1st Alternative\s

\sany whitespace character

2nd Alternative$

$end of line

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

Detailed match information will be displayed here automatically.

25 tokens

(?:^|(?<=\s))(?=\S*\d)(?=\S*(?!\s)\D)\S+(?=\s|$)

New

madan45
45madan
mad45an
Madan
45
โครงการสาวอีสานก็5000บาท
v madan45