REGCMP(3X)

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REGCMP(3X)

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regcmp, regex - ��

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	char *regcmp (string1 [, string2, ...], (char *) 0)
	char *string1, *string2, ...;
	
	char *regex (re, subject [, ret0, ...])
	char *re, *subject, *ret0, ...;
	
	extern char *__loc1;

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[ ] * . ^: �� ed(1) ��.
$: �� ; \n �� .
-: �� "�� ". ��, �� [a-z] �� [abcd...xyz]. �� , �� . ��, �� [ ]-] �� ] � -.
+: ��, �� , �� "�� ". ��, �� [0-9]+ �� [0-9][0-9]*.
{m} {m,} {m, u}: �� , �� , ��, �� . �� m, �� u, �� , �� 256. �� {m}, �� . �� {m,} �� {m, ��}. �� + � * �� {1,} � {0,}.
( ... )$n: �� . �� (n+1)-� �� subject. � �� 10 �� . �� .
( ... ): �� . �� (��, *, +, { }) �� , �� . ��, (a*(cb+)*)$0.

�� . �� , �� \.

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� �� , �� , �� cursor:
```
	char *cursor, *newcursor, *ptr;
	  ...
	newcursor =
	  regex((ptr = regcmp("^\n", (char *)0)), cursor);
	free (ptr);
```
� �� "Testing3" � �� (�� "4"). �� "Testing3" �� ret0.
```
	char ret0 [9];
	char *newcursor, *name;
	  ...
	name  =  regcmp ("([A-Za-z][A-za-z0-9]{0,7})$0",
	                (char *) 0);
	newcursor = regex (name, "012Testing345", ret0);
```
�� file.i [��. regcmp(1)] �� string:
```
	#include "file.i"
	char *string, *newcursor;
	   ...
	newcursor = regex (name, string);
```

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	/usr/lib/libPW.a        ����������, � �������  ��������
	                        ��������� �������.

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malloc(3C).
ed(1), regcmp(1) � �� .