Examples (ignoring capitalization):
| Regular expression | Meaning | pay attention | Don't pay attention |
|---|---|---|---|
| Anton | the text Anton somewhere | in the canton of Aargau | Anto |
| ^N57 | the text N57 at the beginning of the line | N572 | The N57. |
| dead | The text died somewhere | stillbirth | Stillbirth |
| to[td]geb | the text totgeb or todgeb somewhere | stillborn | Todtgeb |
| ^$ | an empty field | X | |
| N\d+ | the letter N followed by at least one digit | N572 | Na72 |
| born.*Mainz | the words born and Mainz with any characters in between | born in Mainz | born in Mainz |
| [az][0-3]\d{3} | a letter followed by 0, 1, 2 or 3 followed by exactly 3 digits | A2123 | A212 |