Fix invalid escape sequence '\w' in RegEx due to 'r' missing (#1967)

Ziyao Wang

2024-07-29 9f04fd130c8436b5a23c4c334d8fb7ea11a95ba6

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isang    1
dalawang    2
tatlong    3
apat na    4
limang    5
anim na    6
pitong    7
walong    8
siyam na    9