boost::string_algo详解replace相关函数

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本文深入解析了Boost库中的boost::string_algo字符串操作,特别是replace_first和replace_nth函数,提供了示例代码展示如何进行字符串替换,包括自定义比较器和指定替换范围的应用,帮助C++开发者更好地理解和利用这一强大的工具。

在C++编程中,Boost库是一个强大而受欢迎的工具集合,它提供了许多用于字符串操作的函数,其中包括replace相关函数。本文将详细介绍boost::string_algo库中的replace相关函数,并提供相应的源代码示例。

首先,我们需要包含适当的头文件,以便使用boost::string_algo库中的相关函数。以下代码演示了如何包含所需的头文件:

#include <boost/algorithm/string.hpp>

接下来,让我们看一下boost::string_algo库中可用的replace函数。常用的replace函数有两种形式:replace_firstreplace_nth

  1. replace_first函数:
    replace_first函数会用替换字符串替换第一个匹配到的子字符串。

    std::string str 
RE6400L1:/ # logcat | grep -inE --color "sensorhub" 34653:01-01 00:05:57.208 2019 2076 E SensorhubAON: [oplusAON:AcquireApCamera] start Revoke 35690:01-01 00:05:57.249 2019 2076 I SensorhubAON: AcquireApCamera failed, result: 5 43434:01-01 00:05:57.373 2019 4225 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:86 OisStart() OISGYRO report rate:500, ois_algo_vendor:2, ois_gyro_direction:18 pulse_enable:0, is_enable_parklens:1 isSupportControlAFBySensorHub:0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 47775:01-01 00:05:57.441 2019 4224 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:5 sensorType:37 47780:01-01 00:05:57.441 2019 4224 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 47784:01-01 00:05:57.441 2019 4224 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:7 sensorType:37 47788:01-01 00:05:57.441 2019 4224 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:2 sensorType:37 48047:01-01 00:05:57.458 2019 30809 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 48216:01-01 00:05:57.463 2019 4227 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:2 sensorType:37 756634:01-01 00:06:17.714 2019 30810 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:1 sensorType:37 756654:01-01 00:06:17.715 2019 30810 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:6 sensorType:37 769861:01-01 00:06:18.104 2019 4226 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:5 sensorType:37 769880:01-01 00:06:18.104 2019 4226 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 769884:01-01 00:06:18.104 2019 4226 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:7 sensorType:37 769888:01-01 00:06:18.104 2019 4226 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:2 sensorType:37 770798:01-01 00:06:18.122 2019 30809 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 771518:01-01 00:06:18.133 2019 4229 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:2 sensorType:37 828442:01-01 00:06:19.513 2019 30810 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:1 sensorType:37 828447:01-01 00:06:19.513 2019 30810 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:6 sensorType:37 924169:01-01 00:06:22.327 2019 4227 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:5 sensorType:37 924267:01-01 00:06:22.328 2019 4227 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 924271:01-01 00:06:22.329 2019 4227 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:7 sensorType:37 924275:01-01 00:06:22.329 2019 4227 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:2 sensorType:37 924585:01-01 00:06:22.341 2019 30809 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:0 sensorType:37 925774:01-01 00:06:22.371 2019 4224 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:2 sensorType:37 1022910:01-01 00:06:25.182 2019 30805 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:1 sensorType:37 1022915:01-01 00:06:25.182 2019 30805 E CamX : [ERROR][NCS ] opluscamxncsintfqsee.cpp:211 ConfigParameters2() OISGYRO report rate:500, ois_algo_vendor:2, pulse_enable:0, is_enable_parklens:1, isSupportControlAFBySensorHub: 0 lockPositionEnable:0 isVideoMode:1 oisMode:6 sensorType:37 1023603:01-01 00:06:25.288 2019 23876 E SensorhubAON: [oplusAON:AcquireAonCamera] Release sensorhub camera resource ! 1023629:01-01 00:06:25.305 2019 23876 E SensorhubAON: AcquireAonCamera failed, result: 5
最新发布
07-02
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