1# $NetBSD: varmod-match.mk,v 1.3 2020/08/16 20:03:53 rillig Exp $ 2# 3# Tests for the :M variable modifier, which filters words that match the 4# given pattern. 5 6all: match-char-class 7all: slow 8 9 10NUMBERS= One Two Three Four five six seven 11 12match-char-class: 13 @echo '$@:' 14 @echo ' uppercase numbers: ${NUMBERS:M[A-Z]*}' 15 @echo ' all the others: ${NUMBERS:M[^A-Z]*}' 16 @echo ' starts with non-s, ends with [ex]: ${NUMBERS:M[^s]*[ex]}' 17 18 19# Before 2020-06-13, this expression took quite a long time in Str_Match, 20# calling itself 601080390 times for 16 asterisks. 21slow: 22 @: ${:U****************:M****************b} 23