Hebrahimzadeh · February 9, 2022 09:04
diff --git a/check_and_extract.groovy b/check_and_extract.groovy
 def m = "1234 abc" =~ /^(\d+)/
 def n = "abc 1234" =~ /^(\d+)/

 println (m.find()?m.group():"not matched")
 println (n.find()?n.group():"not matched")

diff --git a/find_tags.groovy b/find_tags.groovy
 def text = """
 Something
 @ab_d @ffg
 d
 @efg
 """
 //def line = "@abd @ffr"

 s = text=~/(@[\w-]+)/

 while (s.find()) println s.group()
diff --git a/line_beginning_with_number.groovy b/line_beginning_with_number.groovy
 // extract number with which line begins
 def m = "1234 abc" =~ /^(\d+)/
 println m[0][1]
diff --git a/shorthand_regex_find.groovy b/shorthand_regex_find.groovy
 // extract all numbers from a line
 def m = "1234 4567 abc" =~ /(\d+)/
 m.each{ println it[0] }

 // prints 1234 4567
	def m = "1234 abc" =~ /^(\d+)/
	def n = "abc 1234" =~ /^(\d+)/

	println (m.find()?m.group():"not matched")
	println (n.find()?n.group():"not matched")
	// extract number with which line begins
	def m = "1234 abc" =~ /^(\d+)/
	println m[0][1]
	// extract all numbers from a line
	def m = "1234 4567 abc" =~ /(\d+)/
	m.each{ println it[0] }

	// prints 1234 4567