וּכְשָׁמְעִי֙ אֶת־הַדָּבָ֣ר הַזֶּ֔ה קָרַ֥עְתִּי אֶת־בִּגְדִ֖י וּמְעִילִ֑י וָאֶמְרְטָ֞ה מִשְּׂעַ֤ר רֹאשִׁי֙ וּזְקָנִ֔י וָאֵשְׁבָ֖ה מְשׁוֹמֵֽם׃
And when I heard this thing, I rent my garment and my mantle, and plucked off the hair of my head and of my beard, and sat down appalled.
Read halakhic rulings (Jewish law) on Ezra 9:3: and classical halakhic sources.