1.下载地址https://sourceforge.net/projects/pcre/files/pcre/8.42/pcre-8.42.tar.gz/download
#wget https://sourceforge.net/projects/pcre/files/pcre/8.42/pcre-8.42.tar.gz/download
2.解压安装
#tar -zxvf pcre-8.42.tar.gz
3.编译安装
#cd pcre-8.42
#./configure
#make && make install
4.查看pcre版本
# pcre-config --version