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Home/ Questions/Q 853623
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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T07:47:23+00:00 2026-05-15T07:47:23+00:00

An example of how the Strings may look: TADE000177 TADE007,daFG TADE0277 DFDFG

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An example of how the Strings may look:

TADE000177
TADE007,daFG
TADE0277 DFDFG
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  1. Editorial Team
    Editorial Team
    2026-05-15T07:47:24+00:00Added an answer on May 15, 2026 at 7:47 am

    Exactly four characters followed by 1 or more digits: [A-Z]{4}\d+

    Remember to escape the backslash if you put it in a string literal.

    Breakdown:

    • [A-Z]…: An upper case letter, equivalent to \p{Upper}
      • To also include lower case letters, you could instead use [A-Za-z] or \p{Alpha}
    • …{4}… exactly 4 times
    • …\d…+ a digit
    • …+ 1 or more times
      • To allow 0 digits, you could change to *.
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