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| * | zero or more ... | ||
| + | one or more ... | ||
| ? | zero or one ... |
| <tab>*\n | zero or more records ... | ||
| <tab>+\n | one or more records ... | ||
| <tab>?\n | zero or one records ... |
| ^[A-Z].*[A-Z]$<tab>+\n | one or one records beginning and ending with upper-case letters | ||
| ^X$ | followed by a single record containing just the letter X |
| B-<tab>+\n | |||
| A<tab>+\n | |||
| C<tab>+\n | |||
| H<tab>+\n |