finding regex matches in text in groovy

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")

find_tags.groovy

def text = """
Something
@ab_d @ffg
d
@efg
"""
//def line = "@abd @ffr"

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

while (s.find()) println s.group()

line_beginning_with_number.groovy

// extract number with which line begins
def m = "1234 abc" =~ /^(\d+)/
println m[0][1]

shorthand_regex_find.groovy

// extract all numbers from a line
def m = "1234 4567 abc" =~ /(\d+)/
m.each{ println it[0] }

// prints 1234 4567