.NET Regex Tester - Regex Storm

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Hi team ,

I want to extract “WEF0399876” from below examples -

FW: Fw: PCI SSC Invoice Enclosed - WEF0399876
aiagfajk asdh-jkkWEF0399876ds
FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEF0399876 fwfggwg
basically WEF+“all integers till a space or non-integer comes”
this should not work for

4.FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEFL0399876 fwfggwg
5.FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEF023WEF0399876 fwfggwg (two WEFs in the same line)\

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3 matches found in about 1 millisecond.

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Index	Position	Matched String
0	104	WEF0399876
1	133	WEF0399876
2	187	WEF0399876

Hi team ,

I want to extract “WEF0399876” from below examples -

FW: Fw: PCI SSC Invoice Enclosed - WEF0399876
aiagfajk asdh-jkkWEF0399876ds
FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEF0399876 fwfggwg
basically WEF+“all integers till a space or non-integer comes”
this should not work for

4.FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEFL0399876 fwfggwg
5.FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEF023WEF0399876 fwfggwg (two WEFs in the same line)\

Hi team ,

I want to extract “WEF0399876” from below examples -

FW: Fw: PCI SSC Invoice Enclosed -
aiagfajk asdh-jkk
ds
FW: Fw: PCI SSC Invoice Enclosed - fsdfs
fwfggwg
basically WEF+“all integers till a space or non-integer comes”
this should not work for

4.FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEFL0399876 fwfggwg
5.FW: Fw: PCI SSC Invoice Enclosed - fsdfsWEF023WEF0399876 fwfggwg (two WEFs in the same line)\