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# $NetBSD: varmod-match.mk,v 1.3 2020/08/16 20:03:53 rillig Exp $
#
# Tests for the :M variable modifier, which filters words that match the
# given pattern.
all: match-char-class
all: slow
NUMBERS= One Two Three Four five six seven
match-char-class:
@echo '$@:'
@echo ' uppercase numbers: ${NUMBERS:M[A-Z]*}'
@echo ' all the others: ${NUMBERS:M[^A-Z]*}'
@echo ' starts with non-s, ends with [ex]: ${NUMBERS:M[^s]*[ex]}'
# Before 2020-06-13, this expression took quite a long time in Str_Match,
# calling itself 601080390 times for 16 asterisks.
slow:
@: ${:U****************:M****************b}
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