find: Regular Expressions

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1 8.5 Regular Expressions
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1 The '-regex' and '-iregex' tests of 'find' allow matching by regular
1 expression, as does the '--regex' option of 'locate'.
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1    Your locale configuration affects how regular expressions are
1 interpreted.  ⇒Environment Variables, for a description of how
1 your locale setup affects the interpretation of regular expressions.
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1    There are also several different types of regular expression, and
1 these are interpreted differently.  Normally, the type of regular
1 expression used by 'find' and 'locate' is the same as is used in GNU
1 Emacs.  Both programs provide an option which allows you to select an
1 alternative regular expression syntax; for 'find' this is the
1 '-regextype' option, and for 'locate' this is the '--regextype' option.
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1    These options take a single argument, which indicates the specific
1 regular expression syntax and behaviour that should be used.  This
1 should be one of the following:
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Menu

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· findutils-default regular expression syntax
· awk regular expression syntax
· egrep regular expression syntax
· emacs regular expression syntax
· gnu-awk regular expression syntax
· grep regular expression syntax
· posix-awk regular expression syntax
· posix-basic regular expression syntax
· posix-egrep regular expression syntax
· posix-extended regular expression syntax
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