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The GNU C Library

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10. Pattern Matching

The GNU C Library provides pattern matching facilities for two kinds of patterns: regular expressions and file-name wildcards. The library also provides a facility for expanding variable and command references and parsing text into words in the way the shell does.

10.1 Wildcard Matching  Matching a wildcard pattern against a single string.
10.2 Globbing  Finding the files that match a wildcard pattern.
10.3 Regular Expression Matching  Matching regular expressions against strings.
10.4 Shell-Style Word Expansion  Expanding shell variables, nested commands, arithmetic, and wildcards. This is what the shell does with shell commands.

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