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LibreOffice 3.4 Calc Guide - The Document Foundation Wiki

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Formulas option for SUM would find a cell containing the formula =SUM(A1:A6) as well as<br />

a cell containing the simple text SUMMARY.<br />

• Searching for the regular expression ^$ will not find empty cells. This is intentional, to avoid<br />

performance issues when selecting a huge number of cells. Note that empty cells will not<br />

be found even if you are only searching a selection.<br />

• Finding cell contents using the regular expression .+ (or similar) and replacing them with &<br />

effectively re-enters the cell contents without any formatting. This technique can be used to<br />

remove formatting automatically applied by <strong>Calc</strong> when importing data from the clipboard or<br />

from badly formatted files. For example, to convert text strings consisting of digits into<br />

actual numbers, first format the cells as numbers and then perform the search and replace.<br />

See Chapter 7, Using Formulas and Functions, for the use of regular expressions within formulas.<br />

76 <strong>LibreOffice</strong> <strong>3.4</strong> <strong>Calc</strong> <strong>Guide</strong>

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