A plurality of separators can be used | as hyphens, no escape
To match the special characters, you must first make the character "escape", that is, the backslash character \ in front of them.
Because in java \\ represents a \, use java.lang.String in replaceAll or split when using the \\ escape
| character | Escape | Remark |
|---|---|---|
| $ | \\$ | |
| ( ) | \\( with\\) | |
| * | \\* | |
| + | \\+ | |
| . | \\. | |
| [ | \\[ | |
| ? | \\? | |
| \ | \\\\ | Because in java \\ represents a \, and also said that the regex \\ \, \\ resolved to regex so when the time is \\ |
| ^ | \\^ | |
| { | \\{ | |
| | | \\| |
