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