Using Regular Expressions
Pattern Matching
Table | Description of Special Characters in Regular Expressions | ||
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| To… | Use… | Example |
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| Specify a list of | [valid_values] | To match either stack |
| valid matching |
| or stock, enter: |
| values. |
| st[ao]ck |
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| To specify the string ab, |
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| followed by any digit |
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| except 5, enter: |
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| ab[012346789] |
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| Note that to treat an |
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| opening or closing |
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| bracket as a literal |
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| string, it must be the |
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| first character after the |
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| opening bracket. For |
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| example, to match all |
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| the occurrences of ab] |
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| and ab6, enter: |
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| ab[]6] |
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| To match all |
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| occurrences of ab[ and |
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| ab6, enter: |
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| ab[[6] |
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356 | Appendix C |