Each character in text a is checked to see if it matches the regular expression b. If it does, it is retained. If not, it is replaced by text c or, if c is empty, it is removed.
Parameters
Parameter | Description |
|---|---|
a | Text. |
b | Regular expression. |
c | Replacement text. |
Examples
Parameter a | Parameter b | Parameter c | Result |
|---|---|---|---|
80336 München | [0-9A-Z] | . | 80336.M...... |
80336 München | [0-9A-Z] | 80336M | |
80336 München | [0-9A-z] | 80336Mnchen | |
80336 München | [^ü] | ue | 80336 Muenchen |
Note: In order to remove all characters that do not belong to a Base64 block, this function can be used with the regular expression [A-Za-z0-9+/=] in parameter b and an empty parameter c.