17 lines
295 B
Bash
Executable File
17 lines
295 B
Bash
Executable File
#!/bin/bash
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function valid() {
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regex="^(1\s){0,1}\([0-9]{3}\) [0-9]{3} [0-9]{4}$"
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if [[ "$1" =~ $regex ]]; then
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echo "valid"
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else
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echo "invalid"
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fi
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}
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valid "(765) 123 4567"
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valid "1 (765) 123 4567"
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valid "1(765) 123 4567"
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valid "123 456 78910"
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valid "123 4567"
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