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Remove Alpha Characters

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  • Remove Alpha Characters

    I have a field called size

    the size is listed as example:

    P20575R15 or 1000R20

    I have another field called AltSize (Alternative Size)
    which is a calc field and I want to
    take the field size and strip all the alpha characters
    from it and the AltSize would read per the example

    2057515 or 100020

    I have looked thru the manual with no avail as to how
    to do this. The remspecial will remove non-nuneric and
    non-alpha but not the alpha. If the transform function
    does this, I can't figure it out. I can manually enter the
    AltSize but I have about 2000 sizes and I am looking
    for the short cut.

    Thanks,

    Jerry

  • #2
    RE: Remove Alpha Characters

    Jerry:

    I'm sure that there must be an Alpha function available to do this, but on the off-chance there is not, here's one I just ran up ....

    '=====
    function NoLetters as C(input as c)
    dim output as c
    charlength=len(alltrim(input))
    i=0
    for i=1 to charlength
    isnum=isalpha(substr(input,i,1))
    if .not. isnum then
    output=output+substr(input,i,1)
    end if
    next
    noletters=output
    end function
    '=====

    so

    input="P123Q456R"
    result=noletter(input)
    ?result
    123456


    Finian
    Finian

    Comment


    • #3
      RE: Remove Alpha Characters

      Sweet.
      There can be only one.

      Comment


      • #4
        RE: Remove Alpha Characters

        Here's another way to do it:

        dim global mg as c
        dim global len as n

        t=table.current()
        t.fetch_first()

        for rec=1 to 2
        msg=t.size
        len=len(trim(msg))
        for x=1 to len
        if asc(substr(msg,x,1))>57
        msg=substr(msg,1,x-1)+" "+substr(msg,x+1,20)
        end if
        next x
        t.change_begin()
        t.size2=remspecial(msg)
        t.change_end()
        t.fetch_next()
        next rec

        parentform.resynch()

        This script puts a space where letters are, as defined by their ASC value greater than 57 (which is a zero). Then I used REMSPECIAL to eliminate the blanks.

        Yes, the space was necessary, because otherwise it would ignore the second of two consecutive letters.

        Comment


        • #5
          RE: Remove Alpha Characters

          Finian, Stan, & Bill

          Thanks for your help. I almost got one of them to work, but
          found that "search & replace" (Found all instances of
          any alpha and non-alpha characters and replace them with
          nothing)worked great. For all you die-hard programmers out
          there that deal with part numbers using an Alternative Part
          Number will create a excellent search tool.

          Ex: If you have parts like:
          A100
          B100
          100AZ
          100-A etc..etc

          You create a Alternative Number, in this case, would be 100. Placing
          a embedded browse somewhere and do a search just on the Alternative
          Part would bring up all instances of the above Parts.

          thanks again,
          back to work
          Jerry

          Comment

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