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Search in the index

deutsch Firstly, there is a free-text search function for all fields and for those fields found in certain columns; secondly, there is a search function for selected key words with drop-down lists for those columns where it makes sense. The directory is filtered while the data is being entered; this can slow down entry in the case of large volumes of data.

The search function for selected key words

In order to clear the selection, click on the empty line nearest to the top.

The free-text search function in the index

In principle, the system will search the different fields for the text in exactly the form it was entered in the search field (There is thus no translation of the search text.) However, it is possible to expand the search in a targeted way: If the first checkbox next to the search field (a|A) is checked, the system will not differentiate between upper and lower case letters. (This is the default setting.) If the second checkbox (ab|bca) is checked, the system will search for those fields that contain two expressions entered next to each other in the search field such as harp psalter, although these expressions do not necessarily have to appear next to each other or in this particular sequence. (This is also the default setting.) The greatest number of possibilities is offered by the third checkbox (RE): If this checkbox is checked, the search term will be taken as a so-called regular expression. This enables you to search for alternatives, search according to time periods and much more. You can find out more about regular expressions in this section. Some examples have been provided below:

Searching for alternative terms (using search terms linked with the command ‘or’)

(harp|psalter) (without a blank space)
will find fields that contain harp or psalter or both of these expressions;
(lyre|harp|lute|zither) (psalter|hymn|ode) (with a space between the sets of brackets)
will find fields that contain lyre or harp or lute or zither or a number of these expressions and at the same time psalter or hymn or ode or a number of these expressions.

Searching for time periods

17[89][0-9] finds all numbers between (inclusive) 1780 and 1799.

Searching for variants

hym(nos|nus|n) will find hymnos, hymnus and hymn; Herr?mann? will find Herrmann, Herman, Hermann and Herrman. Men.?šikov will find Menšikov, Men´šikov, Menьšikov and all sequences that have either no character or any character in the .?position.

Sorting by multiple columns

deutsch You click on the column you want to sort first. Then click on the other columns while holding down the Shift key.

Use of regular expressions

deutsch A regular expression is a sequence of letters with a special pattern of characters. These patterns of characters are primarily used to make a search expression more comprehensive. Apart from the use of full programming languages, regular expressions are the most powerful way to formulate search expressions. Examples are shown in this section. A full overview of these patterns of characters can be found in this table.