24 lines
370 B
Bash
24 lines
370 B
Bash
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#!/bin/bash
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#
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# Three word regular expression
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#
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re='^([a-zA-Z]+) +([a-zA-Z]+) +([a-zA-Z]+) *\.?'
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#
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# A sentence is expected as the only argument
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#
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if [[ $# -ne 1 ]]; then
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echo "Usage: $0 sentence"
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exit 1
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fi
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echo "Sentence: $1"
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if [[ $1 =~ $re ]]; then
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echo "Matched"
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for i in {0..3}; do
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printf '%2d %s\n' $i "${BASH_REMATCH[$i]}"
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done
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fi
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