http://manual.phpv.net/regular_expression.html
正则基础之 环视 Lookaround:
http://www.poluoluo.com/zt/201102/108028.html
正则基础之 NFA引擎匹配原理
http://www.poluoluo.com/zt/201102/108027.html
正则 捕获组(capture group)
http://manual.phpv.net/regular_expression.html
正则基础之 环视 Lookaround:
http://www.poluoluo.com/zt/201102/108028.html
正则基础之 NFA引擎匹配原理
http://www.poluoluo.com/zt/201102/108027.html
正则 捕获组(capture group)