|| Links | Alphabetical Index | Extracting particular words from text strings ||
This VBA program creates a user defined function to split a string of text into shorter fields, making line breaks at appropriate spaces and avoiding splitting words.
|1||Once the balances were extrapolated the business had an impressive future.|
|2||Once the balances were extrapo||lated the business had an impr||essive future.|
|3||Once the balances were||extrapolated the business||had an impressive future.|
Row 2 shows the text from A1 split into three blocks of 30 characters each (using the MID() function). Words are broken up.
Row 3 shows the same text split into three blocks of up to 30 characters each but with natural breaks where words end.
A user defined function called MakeStr(MyText, MyStrLen) can been written using visual basic. The first parameter requires a cell reference containing the original text string. The second parameter is the maximum number of characters allowed in each line.
This function can be very useful for tasks such as converting text so that it will fit in database fields. For example a list of medical procedures may need to be imported into a program which has a number of fixed width description fields.
The function cannot return numerous results and therefore it produces a single string which includes additional spaces padding the ends of each line. It can therefore be broken up into regular sized blocks without corrupting words.
||converts the text and|
|4||Rigid Sigmoidoscopy||Including Proctoscopy And||Biopsy||[C4] =MID($B4,1,30)|
|5||Diagnostic Oesophago-Gastro-||Duodenoscopy (Ogd) Includes||Forceps Biopsy Urease Test||[D5] =MID($B5,31,30)|
|6||Diagnostic Colonoscopy||Includes Forceps Biopsy Of||Colon And Ileum||[E6] =MID($B6,61,30)|
Column A (not shown) contains the original long descriptions. Column B uses the VBA Function to create a new string suitable for splitting / parsing.
If this process is used to populate a fixed number of description fields (e.g. 3 lines) there may be instances where the text will not fit in the available space. It may be useful to add characters to the end of the 3rd column indicating that the text has been trimmed (e.g 'sentence...' or 'sentence*'). [E4] =IF(LEN(B4)>90, LEFT((TRIM(MID(B4, 61, 30))), 27) & "…", MID($B4, 61, 30))
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