#!/usr/bin/env bash
TARGET="10.20.20.5"
TARGET2="10.20.20.50"
if [[ "^10.20.20.5$" =~ $TARGET ]]; then
echo "TARGET 匹配(未转义)"
fi
if [[ "^10.20.20.5\$" =~ $TARGET ]]; then
echo "TARGET 匹配(已转义)"
fi
if [[ "^10.20.20.5$" =~ $TARGET2 ]]; then
echo "TARGET2 匹配(未转义)"
fi
if [[ "^10.20.20.5\$" =~ $TARGET2 ]]; then
echo "TARGET2 匹配(已转义)"
fi