µ½Ò¡¡Îã 1 |
if ($str =~ /abc/)
if ($str !~ /abc/)
if ($str =~ /^abc/)
|
# "abc" ¤¬¤¢¤ì¤Ð¿¿
# "abc" ¤¬¤Ê¤±¤ì¤Ð¿¿
# ÀèƬ¤«¤é"abc"¤È»Ï¤Þ¤ë¤â¤Î¤Ï¿¿
|
µ½Ò¡¡Îã 2 |
$tel = "03-1234-5678";
if ( $tel !~ /[A-Za-z]+/ && $tel =~ /([0-9]+)-([0-9]+)-([0-9]+)/ ){
# ¤³¤ì¤Ï"»Ô³°¶ÉÈÖ-»ÔÆâ¶ÉÈÖ-ÈÖ¹æ"·Á¼°¤ÎÅÅÏÃÈֹ椫¤â¤·¤ì¤Ê¤¤¡£
print $1, "\n"; # "03"
print $2, "\n"; # "1234"
print $3, "\n"; # "5678"
}
+ ľÁ°¤Îɽ¸½¤¬£±²ó°Ê¾å·«¤êÊÖ¤µ¤ì¤ë¤È¤¤¤¦°ÕÌ£¤Ç¤¹¡£
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$1 $2 $3 ¤Ê¤É¤Îɽ¸½¤Ç¤½¤ÎÆâÍƤ¬»²¾È¤Ç¤¤Þ¤¹¡£
|
µ½Ò¡¡Îã 3 |
if ( $email =~ /([A-Z0-9_.~]+)@([A-Z0-9_.~]+)/i )
¼¡¤ÎÎã¤Ï xxx@xx.xx.xx ·Á¼°¤Ë¤Ê¤ëe-mail¥¢¥É¥ì¥¹¤«¥Á¥§¥Ã¥¯¤·¤Æ¤¤¤Þ¤¹¡£
ºÇ¸å¤Î / ¤Î i ¤ÏÂçʸ»ú¾®Ê¸»ú¤Î¶èÊ̤ò¤·¤Ê¤¤°ÕÌ£¤Ç¤¹¡£
¡¡ | ¥ª¥×¥·¥ç¥ó | °ÕÌ£ |
1 | ^ | ÀèƬ¡¡¡¡¡¡if ($str =~ /^abc/) |
2 | $ | ËöÈø¡¡¡¡¡¡if ($str =~ /xyz$/) |
3 | . | Ǥ°Õ¤Î£±Ê¸»ú(²þ¹Ô¤ò½ü¤¯) |
4 | \w | ±Ñ¿ô»ú[0-9A-Za-z]¤ÈÅù²Á |
5 | \W | Èó±Ñ¿ô»ú |
6 | \s | [ \t\n\r\f]¤ÈÅù²Á |
7 | \S | Èó¶õÇòʸ»ú |
8 | \d | ¿ô»ú[0-9]¤ÈÅù²Á |
9 | \D | Èó¿ô»ú |
10 | [ ] | ʸ»ú¥¯¥é¥¹»ØÄê |
11 | * | ľÁ°¤Îɽ¸½(ʸ»ú¤äʸ»ú¥¯¥é¥¹)¤¬ 0¸Ä°Ê¾å¤¢¤ë¾ì¹ç |
12 | + | ľÁ°¤Îɽ¸½(ʸ»ú¤äʸ»ú¥¯¥é¥¹)¤¬ 1¸Ä°Ê¾å¤¢¤ë¾ì¹ç |
13 | ? | ľÁ°¤Îɽ¸½(ʸ»ú¤äʸ»ú¥¯¥é¥¹)¤¬ 0¤«1¸Ä¤¢¤ë¾ì¹ç |
14 | | | ÁªÂò |
15 | ( ) | ¥°¥ë¡¼¥×²½ |
16 | { } | ¥Ö¥ì¡¼¥¹ |
|
µ½Ò¡¡Îã 4 |
1ÂФΥ֥饱¥Ã¥È([])¤ÎÃæ¤Ëʸ»ú¤òʤ٤¿¤â¤Î¤òʸ»ú¥¯¥é¥¹¤È¸Æ¤Ó¤Þ¤¹¡£
ʸ»ú¥¯¥é¥¹ | ÆâÍÆ | ´ÊάµË¡ | ´ÊάµË¡¤ÎÈÝÄê·Á |
[1234567890] | ¿ô»ú1ʸ»ú¤Ë¥Þ¥Ã¥Á | \d | \D,[^0-9] |
[0-9] | ¿ô»ú1ʸ»ú¤Ë¥Þ¥Ã¥Á | \d | \D,[^0-9] |
[a-z0-9] | ±Ñ¾®Ê¸»ú¤«¿ô»ú¤Î1ʸ»ú¤Ë¥Þ¥Ã¥Á | ¡¡ | ¡¡ |
[a-zA-Z0-9] | ±Ñ»ú¤«¿ô»ú¤Î1ʸ»ú¤Ë¥Þ¥Ã¥Á | \w | \W,[^a-zA-Z0-9] |
[ \r\t\n\f] | ¶õÇò,CR,TAB,LF,FF¤Î1ʸ»ú¤Ë¥Þ¥Ã¥Á | \s | \S,[^ \r\t\n\f] |
|
µ½Ò¡¡Îã 5 |
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