摘要： #!/bin/bashvariable="This is a fine mess."echo "$variable"# Regex matching with =~ operator within [[ double brackets ]].if [[ "$variable" =~ T.........fin*es* ]]# NOTE: 从bash V3.2开始，正则表达式不再用引号引起来then echo "match found" # match foundfi#!/bin/bashinput=$1if [[ 阅读全文