57 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
		
		
			
		
	
	
			57 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
|   | VAR='[[:alpha:]]' | |||
|  | 
 | |||
|  | [[ $VAR =~ '[[:alpha:]]' ]] && echo match 1 | |||
|  | 
 | |||
|  | [[ a =~ '[[:alpha:]]' ]] || echo match 2 | |||
|  | 
 | |||
|  | [[ a =~ [[:alpha:]] ]] && echo match 3 | |||
|  | 
 | |||
|  | [[ a =~ $VAR ]] && echo match 4 | |||
|  | 
 | |||
|  | [[ a =~ "$VAR" ]] || echo match 5 | |||
|  | 
 | |||
|  | line=aab | |||
|  | [[ $line =~ [[:space:]]*(a)?b ]] && echo match 6 | |||
|  | 
 | |||
|  | V="alphabet" | |||
|  | [[ $V == alphabet ]] && echo yes 1 | |||
|  | [[ $V == "alphabet" ]] && echo yes 2 | |||
|  | [[ $V == 'alphabet' ]] && echo yes 3 | |||
|  | [[ $V =~ alphabet ]] && echo yes 4 | |||
|  | [[ $V =~ "alphabet" ]] && echo yes 5 | |||
|  | [[ $V =~ 'alphabet' ]] && echo yes 6 | |||
|  | 
 | |||
|  | DOG="Dog name - 01 - Wiggles" | |||
|  | REPAT='([[:alpha:][:blank:]]*)- ([[:digit:]]*) - (.*)$' | |||
|  | if [[ $DOG =~ ([[:alpha:][:blank:]]*)-\ ([[:digit:]]*)\ -\ (.*)$ ]] | |||
|  | then | |||
|  |    echo Dog ${BASH_REMATCH[2]} is ${BASH_REMATCH[3]} | |||
|  | fi | |||
|  | if [[ $DOG =~ $REPAT ]] | |||
|  | then | |||
|  |    echo Dog ${BASH_REMATCH[2]} is ${BASH_REMATCH[3]} | |||
|  | fi | |||
|  | 
 | |||
|  | [[ $REPAT =~ "$REPAT" ]] && echo rematch 1 | |||
|  | 
 | |||
|  | v="one two buckle my shoe" | |||
|  | [[ ${v} =~ "one two" ]] && echo matches 7 | |||
|  | 
 | |||
|  | [[ ${v} =~ (one two) ]] && echo matches 8 | |||
|  | 
 | |||
|  | [[ ${v} =~ one\ two ]] && echo matches 9 | |||
|  | 
 | |||
|  | unset pattern string | |||
|  | pattern="xxx.yyy" | |||
|  | string=xxxAyyy | |||
|  | 
 | |||
|  | [[ $string =~ $pattern ]] && echo unquoted matches | |||
|  | [[ $string =~ "$pattern" ]] && echo quoted matches | |||
|  | 
 | |||
|  | # problems in pre-patched bash-4.2 | |||
|  | [[ "helloworld" =~ llo ]] && echo match control-a 1 | |||
|  | [[ "helloworld" =~ world ]] && echo match control-a 2 | |||
|  | [[ "helloworld" =~ world$ ]] && echo match control-a 3 | |||
|  | [[ "helloworld" =~  ]] && echo match control-a 4 | |||
|  | [[ "helloworld" =~ oworld$ ]] && echo match control-a 5 |