Cocos2d-x中应用C++11正则表达式检验邮箱地址（跨平台）

最新推荐文章于 2024-04-13 10:18:40 发布

Nat_myron

最新推荐文章于 2024-04-13 10:18:40 发布

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分类专栏： cocos2d-x C/C++

本文链接：https://blog.youkuaiyun.com/Nat_myron/article/details/18302743

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包含一下头文件

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
#include <regex>
#endif
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID||CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
#include <regex.h>
#endif

方法

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
	regex pattern("([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)");
	if ( !regex_match( str_email, pattern ) )
	{
		Tools::showToast(this,Tools::a2u("邮箱账号不合法"),3.0f);
		return;
	}
#endif
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID||CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
	char ss[100] = {};
	sprintf(ss,"%s",str_email.c_str());
	regmatch_t pmatch[4];
	regex_t match_regex;

	regcomp( &match_regex,
		"([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)",
		REG_EXTENDED );
	if ( regexec( &match_regex, ss, 4, pmatch, 0 ) != 0 )
	{
		Tools::showToast(this,Tools::a2u("邮箱账号不合法"),3.0f);
		return;
	}
	regfree( &match_regex );
#endif