{"id":17,"date":"2015-12-04T00:27:21","date_gmt":"2015-12-03T16:27:21","guid":{"rendered":"http:\/\/jason19659.pw\/?p=17"},"modified":"2015-12-04T00:38:42","modified_gmt":"2015-12-03T16:38:42","slug":"%e5%85%b3%e4%ba%8e%e6%ad%a3%e5%88%99","status":"publish","type":"post","link":"https:\/\/t2t2.cc\/?p=17","title":{"rendered":"\u5173\u4e8e\u6b63\u5219"},"content":{"rendered":"

\u6700\u8fd1\u7531\u4e8e\u5de5\u4f5c\u9700\u8981\u8be6\u7ec6\u7684\u4e86\u89e3\u4e86\u4e00\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f.<\/p>\n

\u5173\u4e8e\u5b57\u7b26\u4e32\u7684\u5904\u7406,\u672c\u8d28\u4e0a\u5c31\u662f\u627e\u89c4\u5f8b,\u627e\u5230\u5f00\u5934<\/strong>\u548c\u7ed3\u5c3e<\/strong>,\u518d\u4ece\u4e2d\u95f4<\/strong>\u83b7\u53d6\u5230\u81ea\u5df1\u60f3\u8981\u7684\u503c.<\/p>\n

\u5584\u4e8e\u4f7f\u7528 ()\u5708\u51fa\u60f3\u8981\u7684\u5206\u7ec4 \u4f7f\u7528?:\u53d6\u6d88<\/strong>\u6389\u81ea\u5df1\u4e0d\u60f3\u8981\u7684\u503c<\/p>\n

\u4f8b\u5982:\u6211\u60f3\u4ece\u4ee5\u4e0b\u5b57\u7b26\u4e32\u4e2d\u83b7\u53d6\u51faIP\u548c\u6bcf\u6b21\u7684\u5ef6\u65f6\u548cTTL<\/p>\n

Pinging baidu.com [180.149.132.47] with 32 bytes of data:
\nReply from 180.149.132.47: bytes=32 time=24ms TTL=46
\nReply from 180.149.132.47: bytes=32 time=25ms TTL=46
\nReply from 180.149.132.47: bytes=32 time=24ms TTL=46
\nReply from 180.149.132.47: bytes=32 time=25ms TTL=46<\/p>\n

Ping statistics for 180.149.132.47:
\nPackets: Sent = 4, Received = 4, Lost = 0 (0% loss),
\nApproximate round trip times in milli-seconds:
\nMinimum = 24ms, Maximum = 25ms, Average = 24ms<\/p>\n

\u6b63\u5219\u53ef\u4ee5\u5199\u6210\u00a0from ((?:\\d{1,3}\\.){3}\\d{1,3})[\\s\\S]*?time=(.*)ms TTL=(\\d*)<\/p>\n

(?:\\d{1,3}\\.){3} \u5339\u914d \u6570\u5b57\u4e00\u5230\u4e09\u4e2a\u52a0. \u4e00\u8d77\u51fa\u73b0\u4e09\u6b21\u00a0(?:\\d{1,3}\\.){3}\\d{1,3})\u5339\u914dIPV4 \u52a0\u62ec\u53f7\u53d6\u5230IPV4\u7684\u503c<\/p>\n

\u8fd9\u6837 \u5339\u914d\u51fa4\u7ec4\u6570\u7ec4\u6bcf\u7ec4\u6570\u636e\u67093\u4e2a\u5206\u7ec4<\/p>\n\n\n<\/colgroup>\n\n\n\n\n\n\n
0<\/td>\n1<\/td>\n2<\/td>\n3<\/td>\n<\/tr>\n
from 180.149.132.47: bytes=32 time=24ms TTL=46<\/td>\n180.149.132.47<\/td>\n24<\/td>\n46<\/td>\n<\/tr>\n
from 180.149.132.47: bytes=32 time=25ms TTL=46<\/td>\n180.149.132.47<\/td>\n25<\/td>\n46<\/td>\n<\/tr>\n
from 180.149.132.47: bytes=32 time=24ms TTL=46<\/td>\n180.149.132.47<\/td>\n24<\/td>\n46<\/td>\n<\/tr>\n
from 180.149.132.47: bytes=32 time=25ms TTL=46<\/td>\n180.149.132.47<\/td>\n25<\/td>\n46<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u6b63\u5219\u5e94\u8be5\u4e00\u70b9\u4e00\u70b9\u4ece\u5934\u5f00\u59cb\u5199,\u6ca1\u5199\u4e00\u70b9\u90fd\u8981\u6d4b\u8bd5\u4f60\u5199\u7684\u6b63\u5219\u662f\u5426\u6b63\u786e.<\/p>\n

\u70b9\u5f00\u662f\u6b63\u5219\u7684\u6587\u6863<\/p>\n

<\/p>\n

—————————————-\u4ee5\u4e0b\u662f\u6b63\u5219\u7684\u6587\u6863—————————————————————————–<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
\u5143\u5b57\u7b26<\/div>\n<\/td>\n
\n
\u63cf\u8ff0<\/div>\n<\/td>\n<\/tr>\n
\n
\\<\/div>\n<\/td>\n
\n
\u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u6807\u8bb0\u7b26\u3001\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3001\u6216\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u7b26\u3002\u4f8b\u5982\uff0c\u201c\\\\n\u201d\u5339\u914d\\n\u3002\u201c\\n\u201d\u5339\u914d\u6362\u884c\u7b26\u3002\u5e8f\u5217\u201c\\\\\u201d\u5339\u914d\u201c\\\u201d\u800c\u201c\\(\u201d\u5219\u5339\u914d\u201c(\u201d\u3002\u5373\u76f8\u5f53\u4e8e\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u4e2d\u90fd\u6709\u7684\u201c\u8f6c\u4e49\u5b57\u7b26\u201d\u7684\u6982\u5ff5\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
^<\/div>\n<\/td>\n
\n
\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u5f00\u59cb\u4f4d\u7f6e\u3002\u5982\u679c\u8bbe\u7f6e\u4e86RegExp\u5bf9\u8c61\u7684Multiline\u5c5e\u6027\uff0c^\u4e5f\u5339\u914d\u201c\\n\u201d\u6216\u201c\\r\u201d\u4e4b\u540e\u7684\u4f4d\u7f6e\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
$<\/div>\n<\/td>\n
\n
\u5339\u914d\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u7ed3\u675f\u4f4d\u7f6e\u3002\u5982\u679c\u8bbe\u7f6e\u4e86RegExp\u5bf9\u8c61\u7684Multiline\u5c5e\u6027\uff0c$\u4e5f\u5339\u914d\u201c\\n\u201d\u6216\u201c\\r\u201d\u4e4b\u524d\u7684\u4f4d\u7f6e\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
*<\/div>\n<\/td>\n
\n
\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u4efb\u610f\u6b21\u3002\u4f8b\u5982\uff0czo*\u80fd\u5339\u914d\u201cz\u201d\uff0c\u201czo\u201d\u4ee5\u53ca\u201czoo\u201d\u3002*\u7b49\u4ef7\u4e8e{0,}\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
+<\/div>\n<\/td>\n
\n
\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u4e00\u6b21\u6216\u591a\u6b21(\u5927\u4e8e\u7b49\u4e8e1\u6b21\uff09\u3002\u4f8b\u5982\uff0c\u201czo+\u201d\u80fd\u5339\u914d\u201czo\u201d\u4ee5\u53ca\u201czoo\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cz\u201d\u3002+\u7b49\u4ef7\u4e8e{1,}\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
?<\/div>\n<\/td>\n
\n
\u5339\u914d\u524d\u9762\u7684\u5b50\u8868\u8fbe\u5f0f\u96f6\u6b21\u6216\u4e00\u6b21\u3002\u4f8b\u5982\uff0c\u201cdo(es)?\u201d\u53ef\u4ee5\u5339\u914d\u201cdo\u201d\u6216\u201cdoes\u201d\u4e2d\u7684\u201cdo\u201d\u3002?\u7b49\u4ef7\u4e8e{0,1}\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
{n}<\/div>\n<\/td>\n
\n
n\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u5339\u914d\u786e\u5b9a\u7684n\u6b21\u3002\u4f8b\u5982\uff0c\u201co{2}\u201d\u4e0d\u80fd\u5339\u914d\u201cBob\u201d\u4e2d\u7684\u201co\u201d\uff0c\u4f46\u662f\u80fd\u5339\u914d\u201cfood\u201d\u4e2d\u7684\u4e24\u4e2ao\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
{n,}<\/div>\n<\/td>\n
\n
n\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u81f3\u5c11\u5339\u914dn\u6b21\u3002\u4f8b\u5982\uff0c\u201co{2,}\u201d\u4e0d\u80fd\u5339\u914d\u201cBob\u201d\u4e2d\u7684\u201co\u201d\uff0c\u4f46\u80fd\u5339\u914d\u201cfoooood\u201d\u4e2d\u7684\u6240\u6709o\u3002\u201co{1,}\u201d\u7b49\u4ef7\u4e8e\u201co+\u201d\u3002\u201co{0,}\u201d\u5219\u7b49\u4ef7\u4e8e\u201co*\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
{n,m}<\/div>\n<\/td>\n
\n
m\u548cn\u5747\u4e3a\u975e\u8d1f\u6574\u6570\uff0c\u5176\u4e2dn<=m\u3002\u6700\u5c11\u5339\u914dn\u6b21\u4e14\u6700\u591a\u5339\u914dm\u6b21\u3002\u4f8b\u5982\uff0c\u201co{1,3}\u201d\u5c06\u5339\u914d\u201cfooooood\u201d\u4e2d\u7684\u524d\u4e09\u4e2ao\u3002\u201co{0,1}\u201d\u7b49\u4ef7\u4e8e\u201co?\u201d\u3002\u8bf7\u6ce8\u610f\u5728\u9017\u53f7\u548c\u4e24\u4e2a\u6570\u4e4b\u95f4\u4e0d\u80fd\u6709\u7a7a\u683c\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
?<\/div>\n<\/td>\n
\n
\u5f53\u8be5\u5b57\u7b26\u7d27\u8ddf\u5728\u4efb\u4f55\u4e00\u4e2a\u5176\u4ed6\u9650\u5236\u7b26\uff08*,+,?\uff0c{n}\uff0c{n,}\uff0c{n,m}\uff09\u540e\u9762\u65f6\uff0c\u5339\u914d\u6a21\u5f0f\u662f\u975e\u8d2a\u5a6a\u7684\u3002\u975e\u8d2a\u5a6a\u6a21\u5f0f\u5c3d\u53ef\u80fd\u5c11\u7684\u5339\u914d\u6240\u641c\u7d22\u7684\u5b57\u7b26\u4e32\uff0c\u800c\u9ed8\u8ba4\u7684\u8d2a\u5a6a\u6a21\u5f0f\u5219\u5c3d\u53ef\u80fd\u591a\u7684\u5339\u914d\u6240\u641c\u7d22\u7684\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u5b57\u7b26\u4e32\u201coooo\u201d\uff0c\u201co+?\u201d\u5c06\u5339\u914d\u5355\u4e2a\u201co\u201d\uff0c\u800c\u201co+\u201d\u5c06\u5339\u914d\u6240\u6709\u201co\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
.\u70b9<\/div>\n<\/td>\n
\n
\u5339\u914d\u9664\u201c\\r\\n\u201d\u4e4b\u5916\u7684\u4efb\u4f55\u5355\u4e2a\u5b57\u7b26\u3002\u8981\u5339\u914d\u5305\u62ec\u201c\\r\\n\u201d\u5728\u5185\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528\u50cf\u201c[\\s\\S]\u201d\u7684\u6a21\u5f0f\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
(pattern)<\/div>\n<\/td>\n
\n
\u5339\u914dpattern\u5e76\u83b7\u53d6\u8fd9\u4e00\u5339\u914d\u3002\u6240\u83b7\u53d6\u7684\u5339\u914d\u53ef\u4ee5\u4ece\u4ea7\u751f\u7684Matches\u96c6\u5408\u5f97\u5230\uff0c\u5728VBScript\u4e2d\u4f7f\u7528SubMatches\u96c6\u5408\uff0c\u5728JScript\u4e2d\u5219\u4f7f\u7528$0\u2026$9\u5c5e\u6027\u3002\u8981\u5339\u914d\u5706\u62ec\u53f7\u5b57\u7b26\uff0c\u8bf7\u4f7f\u7528\u201c\\(\u201d\u6216\u201c\\)\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
(?:pattern)<\/div>\n<\/td>\n
\n
\u5339\u914dpattern\u4f46\u4e0d\u83b7\u53d6\u5339\u914d\u7ed3\u679c\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u662f\u4e00\u4e2a\u975e\u83b7\u53d6\u5339\u914d\uff0c\u4e0d\u8fdb\u884c\u5b58\u50a8\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u8fd9\u5728\u4f7f\u7528\u6216\u5b57\u7b26\u201c(|)\u201d\u6765\u7ec4\u5408\u4e00\u4e2a\u6a21\u5f0f\u7684\u5404\u4e2a\u90e8\u5206\u662f\u5f88\u6709\u7528\u3002\u4f8b\u5982\u201cindustr(?:y|ies)\u201d\u5c31\u662f\u4e00\u4e2a\u6bd4\u201cindustry|industries\u201d\u66f4\u7b80\u7565\u7684\u8868\u8fbe\u5f0f\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
(?=pattern)<\/div>\n<\/td>\n
\n
\u6b63\u5411\u80af\u5b9a\u9884\u67e5\uff0c\u5728\u4efb\u4f55\u5339\u914dpattern\u7684\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u5339\u914d\u67e5\u627e\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u83b7\u53d6\u5339\u914d\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8be5\u5339\u914d\u4e0d\u9700\u8981\u83b7\u53d6\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u201cWindows(?=95|98|NT|2000)\u201d\u80fd\u5339\u914d\u201cWindows2000\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cWindows3.1\u201d\u4e2d\u7684\u201cWindows\u201d\u3002\u9884\u67e5\u4e0d\u6d88\u8017\u5b57\u7b26\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u4e00\u4e2a\u5339\u914d\u53d1\u751f\u540e\uff0c\u5728\u6700\u540e\u4e00\u6b21\u5339\u914d\u4e4b\u540e\u7acb\u5373\u5f00\u59cb\u4e0b\u4e00\u6b21\u5339\u914d\u7684\u641c\u7d22\uff0c\u800c\u4e0d\u662f\u4ece\u5305\u542b\u9884\u67e5\u7684\u5b57\u7b26\u4e4b\u540e\u5f00\u59cb\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
(?!pattern)<\/div>\n<\/td>\n
\n
\u6b63\u5411\u5426\u5b9a\u9884\u67e5\uff0c\u5728\u4efb\u4f55\u4e0d\u5339\u914dpattern\u7684\u5b57\u7b26\u4e32\u5f00\u59cb\u5904\u5339\u914d\u67e5\u627e\u5b57\u7b26\u4e32\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u83b7\u53d6\u5339\u914d\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8be5\u5339\u914d\u4e0d\u9700\u8981\u83b7\u53d6\u4f9b\u4ee5\u540e\u4f7f\u7528\u3002\u4f8b\u5982\u201cWindows(?!95|98|NT|2000)\u201d\u80fd\u5339\u914d\u201cWindows3.1\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cWindows2000\u201d\u4e2d\u7684\u201cWindows\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
(?<=pattern)<\/div>\n<\/td>\n
\n
\u53cd\u5411\u80af\u5b9a\u9884\u67e5\uff0c\u4e0e\u6b63\u5411\u80af\u5b9a\u9884\u67e5\u7c7b\u4f3c\uff0c\u53ea\u662f\u65b9\u5411\u76f8\u53cd\u3002\u4f8b\u5982\uff0c\u201c(?<=95|98|NT|2000)Windows\u201d\u80fd\u5339\u914d\u201c2000Windows\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201c3.1Windows\u201d\u4e2d\u7684\u201cWindows\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
(?<!pattern)<\/div>\n<\/td>\n
\n
\u53cd\u5411\u5426\u5b9a\u9884\u67e5\uff0c\u4e0e\u6b63\u5411\u5426\u5b9a\u9884\u67e5\u7c7b\u4f3c\uff0c\u53ea\u662f\u65b9\u5411\u76f8\u53cd\u3002\u4f8b\u5982\u201c(?<!95|98|NT|2000)Windows\u201d\u80fd\u5339\u914d\u201c3.1Windows\u201d\u4e2d\u7684\u201cWindows\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201c2000Windows\u201d\u4e2d\u7684\u201cWindows\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
x|y<\/div>\n<\/td>\n
\n
\u5339\u914dx\u6216y\u3002\u4f8b\u5982\uff0c\u201cz|food\u201d\u80fd\u5339\u914d\u201cz\u201d\u6216\u201cfood\u201d\u6216”zood”(\u6b64\u5904\u8bf7\u8c28\u614e)\u3002\u201c(z|f)ood\u201d\u5219\u5339\u914d\u201czood\u201d\u6216\u201cfood\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
[xyz]<\/div>\n<\/td>\n
\n
\u5b57\u7b26\u96c6\u5408\u3002\u5339\u914d\u6240\u5305\u542b\u7684\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201c[abc]\u201d\u53ef\u4ee5\u5339\u914d\u201cplain\u201d\u4e2d\u7684\u201ca\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
[^xyz]<\/div>\n<\/td>\n
\n
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\n
[a-z]<\/div>\n<\/td>\n
\n
\u5b57\u7b26\u8303\u56f4\u3002\u5339\u914d\u6307\u5b9a\u8303\u56f4\u5185\u7684\u4efb\u610f\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\u201c[a-z]\u201d\u53ef\u4ee5\u5339\u914d\u201ca\u201d\u5230\u201cz\u201d\u8303\u56f4\u5185\u7684\u4efb\u610f\u5c0f\u5199\u5b57\u6bcd\u5b57\u7b26\u3002<\/div>\n
\u6ce8\u610f:\u53ea\u6709\u8fde\u5b57\u7b26\u5728\u5b57\u7b26\u7ec4\u5185\u90e8\u65f6,\u5e76\u4e14\u51fa\u73b0\u5728\u4e24\u4e2a\u5b57\u7b26\u4e4b\u95f4\u65f6,\u624d\u80fd\u8868\u793a\u5b57\u7b26\u7684\u8303\u56f4; \u5982\u679c\u51fa\u5b57\u7b26\u7ec4\u7684\u5f00\u5934,\u5219\u53ea\u80fd\u8868\u793a\u8fde\u5b57\u7b26\u672c\u8eab.<\/div>\n<\/td>\n<\/tr>\n
\n
[^a-z]<\/div>\n<\/td>\n
\n
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\n
\\b<\/div>\n<\/td>\n
\n
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\n
\\B<\/div>\n<\/td>\n
\n
\u5339\u914d\u975e\u5355\u8bcd\u8fb9\u754c\u3002\u201cer\\B\u201d\u80fd\u5339\u914d\u201cverb\u201d\u4e2d\u7684\u201cer\u201d\uff0c\u4f46\u4e0d\u80fd\u5339\u914d\u201cnever\u201d\u4e2d\u7684\u201cer\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\cx<\/div>\n<\/td>\n
\n
\u5339\u914d\u7531x\u6307\u660e\u7684\u63a7\u5236\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\\cM\u5339\u914d\u4e00\u4e2aControl-M\u6216\u56de\u8f66\u7b26\u3002x\u7684\u503c\u5fc5\u987b\u4e3aA-Z\u6216a-z\u4e4b\u4e00\u3002\u5426\u5219\uff0c\u5c06c\u89c6\u4e3a\u4e00\u4e2a\u539f\u4e49\u7684\u201cc\u201d\u5b57\u7b26\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\d<\/div>\n<\/td>\n
\n
\u5339\u914d\u4e00\u4e2a\u6570\u5b57\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[0-9]\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\D<\/div>\n<\/td>\n
\n
\u5339\u914d\u4e00\u4e2a\u975e\u6570\u5b57\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[^0-9]\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\f<\/div>\n<\/td>\n
\n
\u5339\u914d\u4e00\u4e2a\u6362\u9875\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0c\u548c\\cL\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\n<\/div>\n<\/td>\n
\n
\u5339\u914d\u4e00\u4e2a\u6362\u884c\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0a\u548c\\cJ\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\r<\/div>\n<\/td>\n
\n
\u5339\u914d\u4e00\u4e2a\u56de\u8f66\u7b26\u3002\u7b49\u4ef7\u4e8e\\x0d\u548c\\cM\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\s<\/div>\n<\/td>\n
\n
\u5339\u914d\u4efb\u4f55\u4e0d\u53ef\u89c1\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u9875\u7b26\u7b49\u7b49\u3002\u7b49\u4ef7\u4e8e[ \\f\\n\\r\\t\\v]\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\S<\/div>\n<\/td>\n
\n
\u5339\u914d\u4efb\u4f55\u53ef\u89c1\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e[^ \\f\\n\\r\\t\\v]\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\t<\/div>\n<\/td>\n
\n
\u5339\u914d\u4e00\u4e2a\u5236\u8868\u7b26\u3002\u7b49\u4ef7\u4e8e\\x09\u548c\\cI\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\v<\/div>\n<\/td>\n
\n
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\n
\\w<\/div>\n<\/td>\n
\n
\u5339\u914d\u5305\u62ec\u4e0b\u5212\u7ebf\u7684\u4efb\u4f55\u5355\u8bcd\u5b57\u7b26\u3002\u7c7b\u4f3c\u4f46\u4e0d\u7b49\u4ef7\u4e8e\u201c[A-Za-z0-9_]\u201d\uff0c\u8fd9\u91cc\u7684”\u5355\u8bcd”\u5b57\u7b26\u4f7f\u7528Unicode\u5b57\u7b26\u96c6\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\W<\/div>\n<\/td>\n
\n
\u5339\u914d\u4efb\u4f55\u975e\u5355\u8bcd\u5b57\u7b26\u3002\u7b49\u4ef7\u4e8e\u201c[^A-Za-z0-9_]\u201d\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\xn<\/div>\n<\/td>\n
\n
\u5339\u914dn\uff0c\u5176\u4e2dn\u4e3a\u5341\u516d\u8fdb\u5236\u8f6c\u4e49\u503c\u3002\u5341\u516d\u8fdb\u5236\u8f6c\u4e49\u503c\u5fc5\u987b\u4e3a\u786e\u5b9a\u7684\u4e24\u4e2a\u6570\u5b57\u957f\u3002\u4f8b\u5982\uff0c\u201c\\x41\u201d\u5339\u914d\u201cA\u201d\u3002\u201c\\x041\u201d\u5219\u7b49\u4ef7\u4e8e\u201c\\x04&1\u201d\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u53ef\u4ee5\u4f7f\u7528ASCII\u7f16\u7801\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\num<\/div>\n<\/td>\n
\n
\u5339\u914dnum\uff0c\u5176\u4e2dnum\u662f\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u5bf9\u6240\u83b7\u53d6\u7684\u5339\u914d\u7684\u5f15\u7528\u3002\u4f8b\u5982\uff0c\u201c(.)\\1\u201d\u5339\u914d\u4e24\u4e2a\u8fde\u7eed\u7684\u76f8\u540c\u5b57\u7b26\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\n<\/div>\n<\/td>\n
\n
\u6807\u8bc6\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\n\u4e4b\u524d\u81f3\u5c11n\u4e2a\u83b7\u53d6\u7684\u5b50\u8868\u8fbe\u5f0f\uff0c\u5219n\u4e3a\u5411\u540e\u5f15\u7528\u3002\u5426\u5219\uff0c\u5982\u679cn\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219n\u4e3a\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\nm<\/div>\n<\/td>\n
\n
\u6807\u8bc6\u4e00\u4e2a\u516b\u8fdb\u5236\u8f6c\u4e49\u503c\u6216\u4e00\u4e2a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\nm\u4e4b\u524d\u81f3\u5c11\u6709nm\u4e2a\u83b7\u5f97\u5b50\u8868\u8fbe\u5f0f\uff0c\u5219nm\u4e3a\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\\nm\u4e4b\u524d\u81f3\u5c11\u6709n\u4e2a\u83b7\u53d6\uff0c\u5219n\u4e3a\u4e00\u4e2a\u540e\u8ddf\u6587\u5b57m\u7684\u5411\u540e\u5f15\u7528\u3002\u5982\u679c\u524d\u9762\u7684\u6761\u4ef6\u90fd\u4e0d\u6ee1\u8db3\uff0c\u82e5n\u548cm\u5747\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219\\nm\u5c06\u5339\u914d\u516b\u8fdb\u5236\u8f6c\u4e49\u503cnm\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\nml<\/div>\n<\/td>\n
\n
\u5982\u679cn\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u4e14m\u548cl\u5747\u4e3a\u516b\u8fdb\u5236\u6570\u5b57\uff080-7\uff09\uff0c\u5219\u5339\u914d\u516b\u8fdb\u5236\u8f6c\u4e49\u503cnml\u3002<\/div>\n<\/td>\n<\/tr>\n
\n
\\un<\/div>\n<\/td>\n
\n
\u5339\u914dn\uff0c\u5176\u4e2dn\u662f\u4e00\u4e2a\u7528\u56db\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u5b57\u8868\u793a\u7684Unicode\u5b57\u7b26\u3002\u4f8b\u5982\uff0c\\u00A9\u5339\u914d\u7248\u6743\u7b26\u53f7\uff08&copy;\uff09\u3002<\/div>\n<\/td>\n<\/tr>\n
\\< \\><\/td>\n\u5339\u914d\u8bcd\uff08word\uff09\u7684\u5f00\u59cb\uff08\\<\uff09\u548c\u7ed3\u675f\uff08\\>\uff09\u3002\u4f8b\u5982\u6b63\u5219\u8868\u8fbe\u5f0f\\<the\\>\u80fd\u591f\u5339\u914d\u5b57\u7b26\u4e32”for the wise”\u4e2d\u7684”the”\uff0c\u4f46\u662f\u4e0d\u80fd\u5339\u914d\u5b57\u7b26\u4e32”otherwise”\u4e2d\u7684”the”\u3002\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5143\u5b57\u7b26\u4e0d\u662f\u6240\u6709\u7684\u8f6f\u4ef6\u90fd\u652f\u6301\u7684\u3002<\/td>\n<\/tr>\n
\\( \\)<\/td>\n\u5c06 \\( \u548c \\) \u4e4b\u95f4\u7684\u8868\u8fbe\u5f0f\u5b9a\u4e49\u4e3a\u201c\u7ec4\u201d\uff08group\uff09\uff0c\u5e76\u4e14\u5c06\u5339\u914d\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u7684\u5b57\u7b26\u4fdd\u5b58\u5230\u4e00\u4e2a\u4e34\u65f6\u533a\u57df\uff08\u4e00\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u6700\u591a\u53ef\u4ee5\u4fdd\u5b589\u4e2a\uff09\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528 \\1 \u5230\\9 \u7684\u7b26\u53f7\u6765\u5f15\u7528\u3002<\/td>\n<\/tr>\n
|<\/td>\n\u5c06\u4e24\u4e2a\u5339\u914d\u6761\u4ef6\u8fdb\u884c\u903b\u8f91\u201c\u6216\u201d\uff08Or\uff09\u8fd0\u7b97\u3002\u4f8b\u5982\u6b63\u5219\u8868\u8fbe\u5f0f(him|her) \u5339\u914d”it belongs to him”\u548c”it belongs to her”\uff0c\u4f46\u662f\u4e0d\u80fd\u5339\u914d”it belongs to them.”\u3002\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5143\u5b57\u7b26\u4e0d\u662f\u6240\u6709\u7684\u8f6f\u4ef6\u90fd\u652f\u6301\u7684\u3002<\/td>\n<\/tr>\n
+<\/td>\n\u5339\u914d1\u6216\u591a\u4e2a\u6b63\u597d\u5728\u5b83\u4e4b\u524d\u7684\u90a3\u4e2a\u5b57\u7b26\u3002\u4f8b\u5982\u6b63\u5219\u8868\u8fbe\u5f0f9+\u5339\u914d9\u300199\u3001999\u7b49\u3002\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5143\u5b57\u7b26\u4e0d\u662f\u6240\u6709\u7684\u8f6f\u4ef6\u90fd\u652f\u6301\u7684\u3002<\/td>\n<\/tr>\n
?<\/td>\n\u5339\u914d0\u62161\u4e2a\u6b63\u597d\u5728\u5b83\u4e4b\u524d\u7684\u90a3\u4e2a\u5b57\u7b26\u3002\u6ce8\u610f\uff1a\u8fd9\u4e2a\u5143\u5b57\u7b26\u4e0d\u662f\u6240\u6709\u7684\u8f6f\u4ef6\u90fd\u652f\u6301\u7684\u3002<\/td>\n<\/tr>\n
{i} {i,j}<\/td>\n\u5339\u914d\u6307\u5b9a\u6570\u76ee\u7684\u5b57\u7b26\uff0c\u8fd9\u4e9b\u5b57\u7b26\u662f\u5728\u5b83\u4e4b\u524d\u7684\u8868\u8fbe\u5f0f\u5b9a\u4e49\u7684\u3002\u4f8b\u5982\u6b63\u5219\u8868\u8fbe\u5f0fA[0-9]{3} \u80fd\u591f\u5339\u914d\u5b57\u7b26”A”\u540e\u9762\u8ddf\u7740\u6b63\u597d3\u4e2a\u6570\u5b57\u5b57\u7b26\u7684\u4e32\uff0c\u4f8b\u5982A123\u3001A348\u7b49\uff0c\u4f46\u662f\u4e0d\u5339\u914dA1234\u3002\u800c\u6b63\u5219\u8868\u8fbe\u5f0f[0-9]{4,6} \u5339\u914d\u8fde\u7eed\u7684\u4efb\u610f4\u4e2a\u30015\u4e2a\u6216\u80056\u4e2a\u6570\u5b57<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u6700\u8fd1\u7531\u4e8e\u5de5\u4f5c\u9700\u8981\u8be6\u7ec6\u7684\u4e86\u89e3\u4e86\u4e00\u4e0b\u6b63\u5219\u8868\u8fbe\u5f0f. \u5173\u4e8e\u5b57\u7b26\u4e32\u7684\u5904\u7406,\u672c\u8d28\u4e0a\u5c31\u662f\u627e\u89c4\u5f8b,\u627e\u5230\u5f00\u5934\u548c\u7ed3\u5c3e,\u518d\u4ece\u4e2d\u95f4\u83b7\u53d6… Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/t2t2.cc\/index.php?rest_route=\/wp\/v2\/posts\/17"}],"collection":[{"href":"https:\/\/t2t2.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t2t2.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t2t2.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t2t2.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17"}],"version-history":[{"count":3,"href":"https:\/\/t2t2.cc\/index.php?rest_route=\/wp\/v2\/posts\/17\/revisions"}],"predecessor-version":[{"id":21,"href":"https:\/\/t2t2.cc\/index.php?rest_route=\/wp\/v2\/posts\/17\/revisions\/21"}],"wp:attachment":[{"href":"https:\/\/t2t2.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t2t2.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t2t2.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}