regex on input with certain special characters, certain number only, certain characters

is there any regex where i could retrieve and validate

ASDF / 1031 / 0122223333

first is characters
second is 4 digit numeric only
and then numerics (no limitation)

'/' have to be existed.
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Dan CraciunIT ConsultantCommented:
Try this:
[A-Za-z]* / \d{4} / \d{1,}

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Are there spaces surrounding the '/' characters (there are in the example).

Simple regex to match that pattern:

^[A-Z]{4} / \d{4} / \d+$

If no spaces should be there, then this:

If the last section can be blank (zero or more digits) then you can replace the '+' with '*'
doramail05Author Commented:
having :
CS1009: Unrecognized escape sequence

with the error underline the \d
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Dan CraciunIT ConsultantCommented:
RegexBuddy says this should work in C#:

@"[A-Za-z]* / \d{4} / \d{1,}"

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doramail05Author Commented:
dan craciun,

Dan CraciunIT ConsultantCommented:
Glad I could help!
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