6.2 Metacharacters, Listed by Unix Program
Some metacharacters are valid for one program but not for another. Those that are available to a Unix program are marked by a bullet (
Note that in ed , ex , vi , and sed , you specify both a search pattern (on the left) and a replacement pattern (on the right). The metacharacters in Table 6.1 are meaningful only in a search pattern. In ed , ex , vi , and sed , the metacharacters in Table 6.2 are valid only in a replacement pattern.
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